Evacuating 70,000 Sports Fans in Less Than an Hour? Rehearse It With 70,000 Avatars

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What sports fan hasn’t grumbled while waiting in a long, snaking lines to get into the stadium for the big game? It’s enough to discourage even a diehard fan. But if you think it’s a hassle getting into a sold-out game, imagine trying to get out after a bomb explodes — or even to get out under a bomb threat, for that matter.

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Computer-enhanced vision adds a ‘sixth sense’

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Picture this: As your eyes alight for the first time on a skyscraper in a foreign cityscape, a disembodied voice whispers in your ear the phone number of a posh bar on the top floor.

Or this: You have been spotted on the street by an old friend whose name suddenly eludes you. But even before there is time to shake hands, a glance at your smartphone reveals her identity and the date of your last encounter.

Welcome to the world of , the here-and-now enhancement of everyday experience through virtual, interactive technology.