An exploration of the Dark Web--websites accessible only with special routing software--that examines the history of three anonymizing networks, Freenet, Tor, and I2P. The term "Dark Web" conjures up drug markets, unregulated gun sales, stolen credit cards. But, as Robert Gehl points out in Weaving the Dark Web, for each of these illegitimate uses, there are other, legitimate ones: the New York Times's anonymous whistleblowing...