Social media is a rich source for security services - if they can figure out how to use it
Seen a flood of support for Russia's foreign policy on Twitter? Or a surge in sympathy for Islamic State terrorists?
It could be genuine. But it also might be the work of bots — automated social media accounts programmed to push a message out widely and quickly.
That's why the Pentagon's advanced research arm organized a four-week "Twitter Bot Challenge," inviting researchers to try to find 39 Robotic tweeters.
Five teams found all the fakes. But Filippo Menczer, an Indiana University researcher who headed one of them, warns that the technology advances rapidly, and what worked today might not work tomorrow.
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