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The Bush administration unveiled in 2006 a $30 million democracy program for Iran. Later it added an additional $60 million, most of which remains unspent, in part because it has been difficult to find ways to channel the funds to Iranians without exposing them to government retribution.

In the aftermath of the Iranian elections, however, circumstances have changed.

“There is a growing amount of money available for Web circumvention and activism,” Andrew Lewman, the executive director of the Tor project, told The Times.

“So when there is money, people will come, and you are seeing a lot of companies retooling themselves to become circumvention providers.”