Interactive Keynotes: Henry Jenkins (author) & Steven Johnson (FEED Magazine) (Opening Remarks), Mark Zuckerberg (Facebook) as interviewed by Sarah Lacey (BusinessWeek), Frank Warren (PostSecret), & Jane McGonigal (avantgame.com)

Notable Speakers: Andy Baio, Merlin Mann, Jonathan Coulton, Jeff Jarvis (BuzzMachine), Lynne d Johnson (Fast Company), Dan Roam (author), Jared Spool (User Interface Engineering), Dave McClure (500 Hats). Notable Sessions: Worst Website Ever; Startup Metrics for Pirates; Illusion to Simplify Design. Milestones & Highlights: Airbnb launches at SXSW 2008 with two customers, one of which was CEO Brian Chesky.