The Internet spent Tuesday morning laughing at a suggestion by BlackBerry CEO Thorstein Heins that tablets won't exist in five years, a scenario that is as plausible as it is predictive — in fact, it's as exciting a plan for the future of gadgets as the one Apple built right under your fingertips. "In five years I don't think there'll be a reason to have a tablet anymore," Heins told Bloomberg. "Maybe a big screen in your workspace, but not a tablet as such. ...

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