In 2006, Thailand announced it was blocking access to YouTube for anyone with a Thai I.P address, and then identified 20 offensive videos for Google to remove as a condition of unblocking the site. ‘If your whole game is to increase market share,’ says Lawrence Lessig, speaking of Google, ‘it’s hard to . . . gather data in ways that don’t raise privacy concerns or in ways that might help repressive governments to block controversial content.’ In March of last year, Nicole Wong, the deputy general counsel of Google, was notified that there had been a precipitous drop in activity...