Playable Worlds
Advisor
Advisor
Consultant: Social Media Clarity. Call me if your portfolio/start-up needs an experienced review or brainstorm for social media product design. Dozens have.
Co-inventor of multi-player online games, virtual worlds, virtual currency, virtual object economies, online information markets, social networks, identity systems, and reputation systems. Co-author: "Building Web Reputation Systems" for O'Reilly.
Describe the most impressive thing you've done.