Microblogging site Twitter suffered an outage yesterday. The company explained last night that the reason for the outage was a 'cascading bug '. "This wasn 't due to a hack or our new office or Euro 2012 or GIF avatars, as some have speculated today. A 'cascading bug ' is a bug with an effect that isn t confined to a particular software element, but rather its effect 'cascades ' into other elements as well, " Vice president of engineering Mazen Rawashdeh said on the company blog. ...

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