NEW YORK (CNNMoney)
TweetDeck, a popular Twitter app for desktops, has been hacked -- because a 19-year-old computer geek in Austria wanted to use cute, little hearts.
On Wednesday, something like an Internet worm quickly spread across the Twitter(TWTR, Tech30) social media network. It came from a tweet of a "♥" symbol that was loaded with a string of code -- one that hijacked people's TweetDeck s
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