History of the tablet computer

Published On: Sep 07 2012 10:43:30 AM CDT   Updated On: Jan 27 2016 01:00:00 AM CST

With Wednesday marking the sixth anniversary of the unveiling of the original iPad, take a look back at the surprisingly long history of the tablet computer.

Blackberry Playbook
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Scott Olson/Getty Images

Blackberry PlayBook

Released April 2011. PlayBook is the first device to run BlackBerry Tablet OS, based on QNX Neutrino, and runs apps developed using Adobe AIR. It features a 7-inch display and 3D graphics acceleration.

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