Chapter 12. THE TWITTER REVOLUTION

In January 2009, a US Airways jet crash-landed in the Hudson River. Because of the pilot's heroic actions, the plane made a surprisingly gentle landing and all passengers and crew survived. The Hudson is a busy waterway, and the first boat—a passenger ferry—arrived on the scene four minutes after the crash. Janis Krums was on that ferry and snapped what's become an iconic photo of the incident with his iPhone. He posted the photo to the popular microblogging service Twitter, and within minutes, the photo had spread among thousands (and then hundreds of thousands) of Twitter users and then out to the mass media. Krums's photo was just the latest in a series of examples of how microblogging—sometimes called micromedia ...

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