Is effective Internet copyright enforcement even possible? "We won't know," writes blogger Kevin Drum, "until we try." But Congress has been "trying" for two decades, with ever-larger costs to consumers and taxpayers.

The Canadian government has introduced legislation that would force telecom providers to turn over Internet subscriber information without a warrant. Public safety minister Vic Toews says critics can "either stand with us or with the child pornographers."

US and European antitrust regulators gave Google the green light to buy Motorola—but both said they're worried Google will use its newly acquired wireless patents to stifle competition.

Tor network connections, which people in Iran use to avoid Internet censorship, plummeted from 50,000 a day to nearly zero last week. But Iranians are getting back online, due in part to a new obfuscated bridge built by Tor.