At the agency's Open Source Center, a team known affectionately as the "vengeful librarians" also pores over Facebook, newspapers, TV news channels, local radio stations, Internet chat rooms — anything overseas that anyone can access and contribute to openly.
The center had started focusing on social media after watching the Twitter-sphere rock the Iranian regime during the Green Revolution of 2009, when thousands protested the results of the elections that put Iranian President Mahmoud Ahmadinejad back in power. "Farsi was the third largest presence in social media blogs at the time on the Web," Naquin said.
The center's analysis ends up in President Barack Obama's daily intelligence briefing in one form or another, almost every day.
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