UC Berkely grad student James Karl Buck and his translater were arrested in Egypt on April 10, where Buck was there to cover an anti-government protest. They were both arrested and that's when Buck pulled out his cell phone and used Twitter to send a one-word message to his network, "arrested." Soon his entire network was scrambling to obtain his release.

Instantly, bloggers, including a Cairo-based blogger at UC Berkely, were spreading the word. Through his Twitter contacts, Buck was finally able to get released from prison. Unfortunately, he was separated from his translater, whose whereabouts are currently unkown.

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