Top Five in Tech: Tumblr's Worm, Instagram's War official

WSJ Live By
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By WSJ Live
Tumblr was hit by a cyber worm and Instagram started a feud with Twitter. Plus, T-Mobile scores an iPhone win. Matthew Lynley recaps the top five tech headlines of the week on digits. Photo: Instagram/Elva Ramirez.


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Lifestyle
12/07/2012