LinkedIn CEO: From Web 1.0 to 'Web 3.0'

At the Web 2.0 Expo in San Francisco, LinkedIn CEO Reid Hoffman reiterates remarks made at the recent South by Southwest conference about the future of the Web. Hoffman describes the history of Web 1.0 and 2.0 and then discusses his version of "Web 3.0," which he says will be centered around data entered in applications by virtually everyone who uses the Web.