“What you may not realize is that what is free is actually costing us a fortune,” Mr. Keen writes. “The new winners — Google, YouTube, MySpace, Craigslist, and the hundreds of start-ups hungry for a piece of the Web 2.0 pie — are unlikely to fill the shoes of the industries they are helping to undermine, in terms of products produced, jobs created, revenue generated or benefits conferred. By stealing away our eyeballs, the blogs and wikis are decimating the publishing, music and news-gathering industries that created the original content those Web sites ‘aggregate.’ Our culture is essentially cannibalizing its young, destroying the very sources of the content they crave.”