Amateur hour has arrived, and the audience is running the showIn a hard-hitting and provocative polemic, Silicon Valley insider and pundit Andrew Keen exposes the grave consequences of today’s new participatory Web 2.0 and reveals how it threatens our values, economy, and ultimately the very innovation and creativity that forms the fabric of American achievement. Our most valued cultural institutions, Keen warns—our professional newspapers, magazines, music, and movies—are being overtaken by an avalanche of amateur, user-generated free content. Advertising revenue is being siphoned off by free classified ads on sites like Craigslist; television networks are under attack from free user-generated programming on YouTube and the like; file-sharing and digital piracy have devastated the multibillion-dollar music business and threaten to undermine our movie industry. Worse, Keen claims, our “cut-and-paste” online culture—in which intellectual property is freely swapped, downloaded,...