YouTube may be used by many to share awful karaoke incidents and animals doing awesome things, but it can also be a valuable journalistic tool for anyone to broadcast to the world. The problem is, however, how can you know for sure whether a video that purports to support a particular story is authentic? When was it really filmed, and where? With that in mind, Amnesty International has launched a new online tool that hopes to arm journos and human-rights advocates with the skills to sniff out the real from the fake user-generated videos. The Citizen Evidence Lab includes step-by-step...

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