What separates "modern" social network systems from "first generation" social networks like Friendster (and, to an extent, systems like LinkedIn)? It's the architecture.Join us as we explore how current systems "design for social sharing" with Rashmi Sinha, cofounder and CEO for SlideShare. Slideshare is the world's largest community for sharing presentations and documents. SlideShare is growing rapidly (more than 18 million monthly uniques) letting everyone from marketers, conference speakers and academicians share presentations and connect with others. Rashmi has a PhD in Cognitive Psychology from Brown University and did research on search engines and recommender systems at UC Berkeley. She is a frequent speaker at conferences such as Web 2.0 Expo and Future of Web Apps. She writes a blog at rashmisinha.com about running a startup.