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RIM gives lengthy PlayBook demo at Rogers conference, confirms 4G is on tap

We've already gotten a glimpse of some of RIM's PlayBook demo at the recent TabLife conference, but Rogers has now finally posted the complete video of what may well be the most comprehensive look at the device to date. That includes a peek at the most recent software build, a demonstration of 1080p video playback, and a look at the device's "true multitasking" capabilities -- which, incidentally, was all demonstrated using just one half of the device's dual-core processor. What's more, RIM's David Neale also confirmed that the device will indeed support 4G at some point in the future, and he naturally addressed some of Apple's recent criticisms of smaller tablets, saying that "there is room in the world for different shapes." Head on past the break for the full 17-minute video.