"Courting the Abyss" updates the philosophy of free expression for a world that is very different from the one in which it originated. The notion that a free society should allow Klansmen, neo-Nazis, sundry extremists, and pornographers to spread the...

Sergey Brin, a co-founder of Google, once compared the perfect search engine to the "mind of God". As the modern face of promiscuous knowledge, however, Google's divine omniscience traffics indifferently in news, maps, weather, and porn. This book, b...