April 2013 -- Hackers from the Syrian Electronic Army took over the Associated Press Twitter account and posted "Breaking: Two Explosions in the White House and Barack Obama is injured." It was one of the most high-profile Twitter hacks to date and had far-reaching ramifications. The Dow Jones Industrial Average plummeted dramatically before rebounding when the hoax was exposed.
23 key moments from Twitter history
Political downfalls, tweets from space among the highlights
POSTED: 03:05 PM PDT Sep 13, 2013 UPDATED: 03:49 PM PDT Sep 16, 2013
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