How to find a social media expert in brightonmunkák
I require an expert in social media management who can strategically push for the growth of my influencers' specific social media accounts- Instagram, Twitter, and TikTok. The ideal candidate would: - Create the accounts based on US location. The manager/creator has to be located inside US - Understand the intricacies of the platforms mentioned and the preferences of my target audience- young adults between 18-70 years. - Demonstrate proven strategies in growing an influencer's online engagement within the US market. - Commit to a consistent posting schedule, managing at least one post per day on these platforms. - Share regular progress reports indicating growth and provide insights for necessary optimization...
I am seeking an experienced UX/UI designer who can help me bring my vision for a mobile social entertainment application to life. Key Responsibilities: - Design user experiences from low-fidelity sketches to hi-fidelity pixel perfect mockups. - Create intuitive and appealing user interfaces for mobile devices. - Coordinate and work closely with the development team to ensure design compatibility. - Create an interactive prototype (UI) Ideal Skills and Qualifications: - Previous experience designing mobile applications, particularly in the social entertainment field. - Proficiency in standard UX/UI software such as Sketch, OmniGraffle, Axure, InVision, UXPin, Balsamiq. - Pportfolio showcasing previous work examples.
I'm in need of a programmer who can help me create a Twitter social farming webpage with daily challenges and achievement badges alongside an HTML5 arcade game integration with referral& earnboosters options. ( don't mind using CMS like wordpress/joomla) References () . (@senderlabs/introducing-the-senderdao-points-system-1015e1e584a1) For the Twitter Social Farming Game: - I envision daily challenges to keep users engaged. - There should be a system for awarding achievement badges for specific accomplishments. For the HTML5 Arcade Game: - integrate readymade HTML5 arcade game with points system. (you should recommend a game that can be customized could be from codecanyon or somewhere else ). Points Earning System:...
I'm looking to create a Facebook ad campaign to find a missing person last seen in a public space. This project calls for a strategic approach to deliver the message across all relevant audiences. Key requirements include: - Compelling Ad Copy: The ideal freelancer should have strong copywriting skills, able to craft engaging and compassionate text that effectively communicates the urgency of the situation. - Targeted Outreach: Experience in defining and reaching specific demographic groups on Facebook is key. They must optimise the campaign to maximise visibility, specifically for those located in the same area as the public space where the person was last seen. - Customer Engagement: They ...
Looking for a professional to help collect email addresses for the sole purpose of sending promotional materials. Key Tasks: - - Ensure all collected emails are valid and meet relevant regulations Ideal Skills and Experience: - Proven experience in email collection via social media - Proficiency in setting up and managing campaigns on various platforms - Familiarity with email marketing best practices - Strong attention to detail and compliance Note: Creativity in strategy is not necessary. The primary focus is on efficient email collection. I am not looking for Gmail email addresses - MUST be business emails ONLY If you think you have the skills for this task, use the reference Gympie so I know your not a bot You must prov...
...require a talented freelancer to construct a text-based logo, along with an engaging introduction focused on emphasizing my company's mission and values. Additionally, I'm looking for the concept and design of formal business attire. Requirements: - Aesthetic and definitive text-based logo design. - Draft an introduction with captivation, mirroring our mission and values. - Original and professional designs for formal business attire. Ideal Skills: - Extensive experience with logo design and typography. - Excellent written communication for the introduction. - Creativity and expertise in formal attire design. - Understanding of the apparel industry's current trends. - Proactive, innovative and deadline-oriented. And providing the type...
I am blending Google Sheet data with Google Ads and Analytics data but getting an error message. Need someone to help via screenshare. Thanks!
...immediate assistance of a skilled graphic artist to create a set of social media graphics. Key Responsibilities: - Designing social media graphics for Instagram, Facebook, and Twitter. The graphics will be used on my van's design, so experience in creating graphics that can be applied to a vehicle is a great advantage. I need these graphics as soon as possible, hence I'm looking for a responsive and efficient professional who can deliver quality work swiftly. Ideal Skills: - Proficient in graphic design tools like Adobe Photoshop or Illustrator. - Experience with creating graphics for multiple social media platforms. - Prior experience with vehicle graphics a plu...
Need someone to synchronize for me a Dokan site with a flux store multivendor admin
I'm encounter...Devanagari, Tamil, Bengali, Hindi, and Marathi. The problem seems to be when we download the PDF. I need a professional who can help me resolve this issue. Key Requirements: - The task is primarily focused on troubleshooting and fixing ligature font problems - The end goal is to ensure the correct display of the fonts in a PDF file. Ideal Skills and Experience: - Proven expertise with Indian fonts, particularly Devanagari, Tamil, and Bengali. - Prior experience with troubleshooting ligature font issues in a print media setting. - Familiarity with creating PDF files from print media sources. - Attention to detail and ability to deliver high-quality work. Please bid on this project if you h...
I'm seeking a skilled Shopify expert to support my e-commerce store with day-to-day tasks. Key Responsibilities: - Product Listing & Management: You'll be in charge of efficiently adding new products to the store and keeping the listings updated. - Order Processing & Fulfillment: You'll help ensure that orders are being handled accurately and in a timely manner. Additional Information: - My store currently has around 50 to 100 products, so familiarity with managing inventories of this size is essential. - While not explicitly mentioned, any experience with inventory management, such as restocking alerts and supplier coordination, would be a great plus. Ideal Candidate: - Proven experience in...
...seeking a skilled SEO expert to enhance my Google profile. Here's the full scope of the project: - **Keyword Optimization**: My website currently has a moderate ranking on relevant keywords. I need you to optimize the keywords for better search engine visibility. - **Profile Updation**: I'm looking to update my Google profile to better cater to local customers. This may involve changes in the description, contact information, or other details to make it more appealing to my local audience. Ideal candidates for this project should have: - Proven experience in SEO and Google profile optimization - A strong understanding of keyword research and optimization - The ability to analyze...
...immediate assistance of a skilled graphic artist to create a set of social media graphics. Key Responsibilities: - Designing social media graphics for Instagram, Facebook, and Twitter. The graphics will be used on my van's design, so experience in creating graphics that can be applied to a vehicle is a great advantage. I need these graphics as soon as possible, hence I'm looking for a responsive and efficient professional who can deliver quality work swiftly. Ideal Skills: - Proficient in graphic design tools like Adobe Photoshop or Illustrator. - Experience with creating graphics for multiple social media platforms. - Prior experience with vehicle graphics a plu...
I am in need of a skilled Full Stack Python Developer to primarily focus on back-end development tasks. The main areas of focus include: - User Authentication & Authorization: Implement a secure user authentication system to ensure data integrity and user privacy. - API Development & Integration: Develop new APIs and integrate with existing ones, for seamless communication between various components of the platform. - Data Processing & Analytics: Implement robust data processing and analytics functionalities to make informed decisions and gain insights from user interactions and other data sources. You will also be responsible for: - Payment Gateway Integration: Integrate payment gateways to facilitate transactions within the p...
I'm seeking a savvy social media marketer to elevate my trading stocks business through a dynamic and engaging social media campaign. Key Requirements: - Proficiency in Instagram, Twitter, and TikTok, with a proven track record of success on these platforms. - Experience in increasing brand awareness, driving website traffic, and generating leads and conversions. - Understanding of diverse target audiences, especially young professionals, stay-at-home parents, and small business owners. Your responsibilities will include: - Crafting and executing a comprehensive social media strategy that aligns with our business objectives. - Creating captivating content and managing our social me...
...am looking for a skilled social media marketer with content creation experience on LinkedIn and Twitter. The selected professional will be tasked with managing and nurturing my accounts on LinkedIn, Twitter, and Instagram. Key Responsibilities: - Develop engaging and relevant content for LinkedIn and Twitter - Regularly update and manage my LinkedIn, Twitter, and Instagram accounts - Implement strategies to increase brand awareness and generate leads Ideal skills and experience: - Demonstrable prior experience in creating content for LinkedIn and Twitter - Proven track record of managing and growing social media accounts - Understanding of social media analytics and ability to leverage data for campaign improvement ...
I am hunting for a talented social media marketer who specializes in performance marketing on Facebook and Instagram. My main goals are to increase brand awareness, generate leads and create effective conversion funnels. I will be targeting my audience based on their age, interest and location, providing a more accurate and personalized experience for them. The ideal candidate for this role should be able to: - Execute performance marketing strategies for Facebook and Instagram. - Deliver personalized marketing experiences to age, interest, and location-based audiences. - Set up conversion funnels aimed at increasing online sales. Skills and Experience Required: - Expertise in Facebook and Instagram marketing. - Proven tra...
I'm in search of an experienced professional mobile app developer to help in the creation of an educational app that will revolutionize the way users learn. Key functionalities: - Application of core educational tools and principles - User-friendly interface design Although the operating system compatibility is yet to be decided upon, the developer should ideally have experience with both iOS and Android. Showcase of cross-platform app building capabilities would be a significant advantage. A passion for creating educational tools and initiatives is paramount, and experience in that specific field would put you to the front of the line. Skills and Experiences: - Proven experience in mobile app development - Familiarity...
PLEASE READ THE ATTACHED DESIGN BRIEF! I'm seeking a talented logo designer to create a classic and elegant logo. I am using a competition so that I can find a talented designer to compelete the logo design. The aim is to have a logo that is not only visually appealing but also timeless and suitable for both online and print applications. I shall work with the best designers to make small changes before selecting the winning design. The winning designer will need to complete the design in web and print formats in pdf (vector), jpeg and ai. before receiving the prize money. Key Responsibilities: - Craft a classic and elegant logo that embodies our brand's essence as per the desig...
I am looking for a skilled PHP developer with experience in PHP frameworks, MySQL database, and E-commerce development to build a website. The developer should also have experience with Wordpress and integrating various platforms and APIs. Key project details: - The ideal candidate should have strong knowledge and experience in PHP frameworks like Laravel or Symfony, as well as Wordpress. - E-commerce development experience is essential, especially in designing and building secure and user-friendly online stores. - Proficiency in MySQL database is required. - The website will require integrating payment gateways, social media, and email marketing platforms. Hence, the developer should have experience in these areas. I...
I'm looking to launch a LinkedIn marketing campaign specifically targeted at industry professionals. The drive of this project is to effectively generate leads. As such, I am looking for a social media savvy freelancer with experience in crafting compelling and engaging content suited for LinkedIn. Key tasks would include: - Developing fresh content appropriate for the platform - Strategically positioning and promoting the content to engage industry professionals and drive them towards our online portfolio - Tracking, analyzing and reporting on campaign progress, adjusting strategies as necessary based on these insights Ideal skills and experience: - Proven LinkedIn marketing experience, with success in lead generation -...
More details: What specific goals do you have for your Italian cafe's online presence? Looking for marketing expert What information should successful freelancers include in their application? Detailed project proposals How soon do you need your project completed? ASAP
...Program Manager will be instrumental in shaping our operational strategies and enriching support systems for startups within the Web3 and DeFi sectors. This role requires a proactive individual to enhance our accelerator’s offerings and ensure they are perfectly aligned with the needs of startups in this rapidly evolving industry. Key Responsibilities Design, implement, and refine accelerator program structures specifically tailored for Web3 and DeFi startups. Facilitate seamless coordination across internal teams and external partners, ensuring alignment with the DAO’s token economy and governance structures. Develop and maintain strategic partnerships critical to the blockchain ecosystem. Manage the logistical and organizational aspects ...
I am in need of a skilled video creator who can produce a compelling mixed media video. The primary objective of this video will be to promote our product to a target audience of business professionals. Key requirements: - The video needs to be a combination of animation and live-action elements. The animation should be engaging and professional, while the live-action parts should be shot in a way that resonates with our audience. - As this is a product promotion video, clear and effective communication of the benefits and features of the product is essential. The video should be able to convey a strong call to action. Ideal Skills and Experience: - Proven experience in creati...
I was trying to log into my Laravel application when I encountered the error 419. I need a skilled Laravel developer to help me review and fix session and token issues causing this error. When i loggin then succses then back that show 419 error Key requirements include: - Reviewing Laravel's default authentication and session management to identify the issue. - Fixing the session and token issues causing the error 419 specifically during the login process. Ideal candidates should: - Have extensive experience and understanding of Laravel's authentication and session management. - Be proficient in troubleshooting and resolving Laravel errors. - Be familiar with handling session and token issues in Laravel. Your goal will be to ...
cercasi virtual assistant per gestione social media 2 ore al giorno dal lunedi al giovedi. 200 € al mese (per favore, non candidatevi se proponete importi superiori a questo, o comunque sappiate che per importi superiori a questi la candidatura è automaticamente scartata) il lavoro consisterà nel gestire i materiali dei clienti (files numerosi e di varia natura), eseguire semplici lavorazioni su testi e immagini (forniremo breve formazione pagata), lavoro di segreteria, anche scrivendo email, rispondendo a messaggi dei clienti, facendo un po' di data entry. Necessario parlare italiano almeno in modo buono. Non è indispensabile vivere in italia. Il lavoro inizierà tra 1 mese, forse un pochino prima. Grazi...
I'm looking for a talented designer to create 10 Instagram banners for our holiday packages. The banners should follow our provided branding guidelines, which will include brand patterns and the logo. The banners should have a minimalistic design and include the destination name in both English and Arabic. Key Requirements: - 10 Instagram banners for holiday packages - Minimalistic design approach - Destination name in English and Arabic - Brand logo placement - Brand patterns integration - Text "Book Now" Please note the following: - I have a specific deadline of 2 days for this project - I can provide you with all our branding materials, including guidelines, patterns, and logos - The destinations for the holiday packages are pr...
As a client seeking a proficient PHP expert, with a minimum of 10+ years of experience, I am looking to enhance an existing Real Time Dashboard within PHPMaker 2023. Key Responsibilities: - Modify existing features and incorporate new functionality - Implement user authentication system to ensure data privacy - Create real-time notification system for immediate updates - Develop advanced interactivity for data manipulation and customization Desired Skills: - Proven expertise in PHP development, ideally with PHPMaker 2023 - Comprehensive experience in building Data visualization (Charts, Heat maps, Custom Dashboards) - Strong understanding of user authentication mechanisms - Ability to develop real-time features for immediate ...
...looking to establish a new SMM panel, I need a skilled developer who can integrate key features into the script. Here's an overview of what the project entails: - **Core Features**: Implement a User Management System, API Integration and Payment Gateway Integration. Given the sensitivity of the data involved, it's crucial that these features are robust, secure and user-friendly. Build a cross-functional SMM panel that generates and sells traffic for all social media platforms. - **Security**: Incorporate Two-Factor Authentication and an IP Whitelisting system. Additionally, the script should have an extensive Activity Log Monitoring mechanism. - **Performance**: Develop a script that prioritizes speed and responsiveness...
I'm looking for a highly skilled web developer to create a professional corporate website for our business. Key Requirements: - Responsive Design: The site should be accessible and user-friendly across all devices, including mobile phones and tablets. - Contact Form: An easy-to-use contact form that allows our potential clients and visitors to reach out to us. - Social Media Integration: Integration with our social media accounts to increase our online presence and engagement. Please provide examples of previous similar work in your proposal. Your design should be clean, modern, and in line with our industry. A good understanding of UI/UX principles is a must. Looking forward...
I'm in need of a professional social media marketer with a proven track record in influencer marketing. I'm aiming to grow my brand's awareness and ultimately increase sales through a strategic approach on Twitter, Facebook, and Instagram. Key Requirements: - Experienced in developing and executing influencer marketing strategies on Twitter, Facebook, and Instagram - Capable of targeting diverse audiences, including millennials, parents, business professionals, and those within the food industry - Able to measure and track the success of the campaign in terms of brand growth and sales conversion We can discuss the specifics and potential influencers to target, but I'm looking for someo...
I'm in need of a creative and innovative logo expert who can design a compelling text-based logo for my brand. The logo must convey a sense of innovation through its design. Key requirements: - The logo should be primarily text-based, ensuring that the brand name features prominently within the design. - The design should embody a sense of creativity and innovation, resonating with a target audience that appreciates forward-thinking brands. - The logo must be suitable for online use, enhancing its visibility and appeal on websites and social media platforms. Ideal candidates for this project should possess: - Proven experience in designing text-based logos - A strong portfolio that demonstrates creativity a...
*About Us:* We are a dynamic and innovative social media marketing agency dedicated to helping businesses thrive in the digital landscape. Our team is passionate about crafting creative strategies and delivering measurable results for our clients. *Role Overview:* As a Lead Generation Expert, you will play a crucial role in identifying and engaging potential clients interested in our social media marketing services and closing deals with them. You will utilize various research and outreach techniques to identify leads, initiate conversations, setup sales call, and nurture relationships with prospects. *Key Responsibilities:* 1. Research and identify potential clients through online platforms, in...
If you have a creative mindset, a strong understand of social media platforms and a drive to excel in the fast-paced world of digital marketing, we want to to hear from you. Joint us and take your carrer to the next level. A business owner seeking to boost online visibility, I need an experienced digital marketer whose key focus lies in social media marketing. Although the user preferences for specific platforms weren't provided, proficiency in all the common platforms such as Facebook, Instagram, and Twitter is highly beneficial. My business caters to both B2B and B2C markets, so it's crucial that you know how to effectively tailor campaigns for ...
I am seeking a professional product photographer with a knack for capturing coffee convincingly and creatively. This task will require a particular understanding of how to highlight the finer details of my product in a clean, modern style that communicates the quality and appeal of premium coffee. Key Responsibilities: - Capture high-quality, visually compelling pictures of our coffee products. - Ensure modern and clean style of photography for these pictures. Ideal Skills and Experience: - Proven expertise in product photography, specifically lifestyle and food/beverage niche. - Ability to showcase coffee in a modern and clean style. - Proficient in photo editing software to ensure best quality r...
I'm looking to enhance my company's online presence via social media, with a particular emphasis on Facebook. Key deliverables: - Develop and execute strategies to boost engagement with our Facebook followers. - Create content that is tailored to our audience and helps drive conversation and interaction. - Track and analyze metrics to measure the success of our engagement efforts and adjust the strategy as needed. - Collaborate with our marketing and customer service teams to maintain a consistent brand voice and customer experience. Ideal skills and experience: - Proven track record of successful social media engagement strategies, particularly on Facebook. - Strong understanding of social m...
I'm in need of an experienced Java Full Stack Developer to build a comprehensive application with the following features and requirements: - **Features and Functionalities** I need the application to have the following features: - User registration and login: A secure and user-friendly way for users to create accounts and log in. - Payment processing: A seamless payment processing system. - Data encryption: Robust data encryption measures to ensure user data is safe and secure. - **Design and UI/UX Requirements** I'm looking for a modern and clean design that is responsive and mobile-friendly. The interface should be intuitive and user-friendly, making it easy for users to navigate and i...
I'm in need of a lead generation specialist who can help me generate leads across a variety of channels. Target Audience: - The lead generation will be done for both B2B and B2C segments. The successful freelancer should be capable of tailoring their strategies to suit both audiences effectively. Campaign Measurement: - I'm looking to measure the success of this campaign by the number of leads generated. It's important to have experience with these types of metrics and be able to deliver consistent results. Key Skills: - Proven experience in lead generation is a must. - Skill in email marketing, social media marketing, and cold calling is required. - Be able to tailor strategies ...
I am in search of a proficient writer to develop a book targeted at novice teachers. The central theme revolves around teacher empowerment. The selected writer should be able to present concepts in an inspirational and motivational style. Focussing on early years - Image of the child, relationship between educators, families, children and communities, rights of children and inclusive and democratic learning style Key Responsibilities: - Break down complex empowerment strategies into simple, actionable steps. - Use compelling and motivational language to inspire new teachers in their journey. Ideal Skills: - Proven experience writing in an inspirational and motivational style. - Familiarity with the field of education, specifi...
I'm a new YouTuber with less than 1k subscribers. I'm looking to grow my subscriber base to 10k. I'll need someone who can help me with this. Key Requirements: - Proven track record of growing YouTube channels - Familiarity with YouTube's algorithm and best practices for engagement and subscriber growth Skills and Experience: - Social media marketing - YouTube channel management and growth - SEO and keyword research - Content strategy and optimization I'm open to suggestions and strategies to achieve this goal. Please provide a brief overview of how you would approach this project when you bid.
I'm seeking a creative and talented graphic designer to craft a modern logo that reflects my brand. Key Project Details: - Design Style: Modern - Usage: Primarily online (websites, social media) and occasionally in print (business cards, flyers) - Color Preferences: Bright and vibrant Ideal Skills and Experience: - Proficiency in modern logo design - Strong understanding of online and print design principles - Ability to work with bright and vibrant color schemes - Past experience with creating logos that are versatile across multiple mediums Please include a link to your logo design portfolio in your proposal. Looking forward to seeing your unique and innovative ideas! logo is for an CRM Applicat...
...seeking a professional who has hands-on experience with the Ayushman Bharat Digital Mission (ABDM). The primary aim of this project is to integrate the ABDM with an Android app and a web platform. Key Responsibilities: - Seamless integration of the ABDM system with both Android and web platforms. - Ensuring data is shared seamlessly between the web and app. - Providing a unified user experience across all platforms. - Extending functionalities to mobile users. The ideal candidate should have: - Prior experience working on the Ayushman Bharat Digital Mission (ABDM) is a must. - Proficiency in integrating systems across web and Android platforms. - Strong familiarity with user interface design and user experience principles. - Excellent ...
I'm in need of a proficient graphic designer with a knack for elegant and professional 3D logo animations. The animation will be primarily used in my social media profiles and needs to be elegant and mysterious in color. Key Requirements: - Expertise in 3D animation - Portfolio demonstrating elegant and professional style Your application should include examples of similar animations you've done in the past. I look forward to seeing your proposals. I do not need automatic responses. Go through the attached reference video and see if you could able to create logo animation similar to this. Reference Video:
As a real estate developer, I'm seeking a skillful artist to create captivating mixed media artwork for my projects. I want my prospective clients to associate our properties with luxury, and thus the art should evoke feelings of elegance and opulence. The ideal artwork should incorporate themes of nature, cityscapes, and abstract forms. This unique blend of themes should help potential clients envision the luxury that our properties offer. Artists with experience in mixed media who can seamlessly merge these varied elements and demonstrate a rich understanding of luxury aesthetic are highly desirable. The final output should be original, engaging, and visually stunning—guaranteed to catch the eye and resonate with...
I'm in need of a proficient graphic designer with a knack for elegant and professional 3D logo animations. The animation will be primarily used in my social media profiles and needs to be elegant and mysterious in color. Key Requirements: - Expertise in 3D animation - Portfolio demonstrating elegant and professional style Your application should include examples of similar animations you've done in the past. I look forward to seeing your proposals. i do not need automatic messages. Reference Video:
I'm in search of a skilled PHP and CodeIgniter developer to help with a project that involves user registration and login, as well as database integration. Key Points: - The project involves user registration and login: You'll be responsible for setting up a smooth user registration and login process. - Database integration: Your task will include integrating the project with a database, ensuring data is stored and retrieved efficiently. - Minimalist design: The design aesthetic should be minimalist. Your Expertise: - Proficiency in PHP and CodeIgniter: We're seeking an individual with extensive experience in both PHP and CodeIgniter. - Prior experience with user registration and login systems. - Strong database inte...
...Hauptzielgruppen: - **Privatkunden**: Personen, die individuelle Finanzberatung für persönliche Investitionen, Altersvorsorge, und Vermögensaufbau suchen. - **Gewerbekunden**: Unternehmen, die Beratung in betrieblichen Finanzangelegenheiten, wie Liquiditätsmanagement, Unternehmensfinanzierung und betriebliche Altersvorsorge, benötigen. #### 2. **Design und Benutzererfahrung** - **Benutzerfreundlichkeit**: Intuitive Navigation, klare Strukturierung und schnelle Ladezeiten. - **Responsives Design**: Optimiert für alle Geräte (Desktop, Tablet, Smartphone). - **Professionelles und Vertrauenswürdiges Design**: Farbpalette in Blau- und Grüntönen (für Vertrauen und Sicherheit), seriöse Bilder, klare und gut lesbare Schr...
I'm seeking a skilled graphic designer to craft a unique, appealing logo for a cutting-edge fashion social media app. This platform aims to connect enthusiasts, promote businesses, and share latest fashion trends. Its primary audience includes fashion bloggers, influencers, and brands. Key Requirements: • The logo should have elements that reflect both 'fashion' and 'business' • It should appeal to our key demographic: bloggers, influencers, brand owners • The design needs to be modern, yet suitable for a professional context Ideal Candidate: • Experienced in designing logos for digital applications, especially social media apps • An understanding o...
I have an image that needs light editing. The primary goal is to make them more appealing for use on social media. The photo titled 'main' is the image I need edited. My arm is blurry and I'd like it to look normal. I've posted other photos where my arm isn't blurry so it can be used for the original photo. Skills and experience needed: - Proficiency in photo editing software - Experience in editing photos for social media - Ability to seamlessly blend photos to replace elements
