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      • Charles Costa Airbnb Content Strategy
        Growing Airbnb’s Host Supply Through Homepage Optimization
        To grow Airbnb’s host community, the homepage and early onboarding experience needed to make listing a space feel simpler, more trustworthy, and worth pursuing. The work […]
      • Questions about driverless cars in society
        Making the Driverless Future Understandable
        Autonomous vehicles raise questions that are technical, social, and deeply human. This editorial series made the policy, ethics, and everyday implications of a driverless future easier […]
      • Building Better Customer Service with Generative AI
        Generative AI can improve customer service, but only when it solves real customer and agent needs. This research explored where the technology can add value, where […]
      • Artificial intelligence brain processing
        Turning Complex AI Research Into Thought Leadership
        Artificial intelligence moves quickly, but useful thought leadership must do more than repeat the latest headlines. This project translated complex research into clear, credible points of […]
      • Charles Costa native advertising campaigns
        Native Advertising That Earns Attention
        Effective native advertising fits the audience and the publication without disappearing into the background. This work focused on creating useful, credible brand stories that earned attention […]
      • TEDx San Francisco 2019 Charles Costa
        Building TEDxSanFrancisco Audience Momentum Through Email
        TEDxSanFrancisco needed an email campaign that could build momentum, communicate the value of the event, and convert interest into ticket sales. As a core part of […]
      • eBay 1099-K in product education Charles Costa
        Clarifying eBay’s 1099-K Experience
        Tax reporting is high-stakes and easy to misunderstand. This project helped eBay sellers understand the 1099-K process, what information they needed, and where to find support […]
      • Charles Costa Kahuna Marketing Automation Case Study
        Customer Stories for AI-Powered Marketing Automation
        For an AI-powered marketing automation platform, customer stories needed to show more than product features. They needed to make the business problem, the implementation, and the […]
      • eBay managed payments money
        Supporting eBay’s Managed Payments Migration
      • Marketplace Technology eBook Charles Costa
        Marketplace Technology, Made Understandable
        Making marketplace technology more understandable Marketplace technology stacks can be difficult to explain because the systems, integrations, and decisions are tightly connected. This project turned that […]
      • From Creator to Curator: A Socio-Technical Framework
        As digital platforms give more people the ability to create and distribute content, the work of finding, organizing, and giving that content meaning becomes increasingly important. […]

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