The fourth annual Web 2.0 Summit will be held in San Francisco on October 17 - 19, 2007.

John Battelle of Federated Media and Tim O'Reilly, CEO of O'Reilly Media will moderate the conference. The event is co-produced by O'Reilly Media and CMP Technology and this year's conference theme is "The Web's Edge."

Speakers include Randall Stephenson, CEO of AT&T; Steve Ballmer, CEO of Microsoft; and Mark Zuckerberg, CEO of Facebook. News Corp. CEO Rupert Murdoch and MySpace co-founder Chris DeWolfe will have a "dinner keynote conversation."

eBay CEO Meg Whitman will be participating as well. eBay is a gold sponsor of the event.