MAKE FREE

BY CORY DOCTOROW

Are You the Scanner or the Barcode?

On a recent trip to Walt Disney World, I played the excellent new Kim Possible mobile game in Epcot where players are loaned a special cellular phone with various sensors and emitters in it. The phone plays videos about mysteries taking place in Epcot, which players solve by visiting sites and waving their phones at props that animate when they sense the proximity of the device, using the phones’ geolocation and readings from the phones’ RFIDs.

It’s a very clever game: not only does it bring some much-needed tween entertainment to Epcot’s World Showcase, but it also does some insanely clever networking stuff, spreading players out by sending them after clues in less-crowded parks ...

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