The BlackBerry PlayBook is a tablet computer made by Research In Motion. It was first released for sale on April 19, 2011, in Canada and the United States. The PlayBook is the first device to run BlackBerry Tablet OS, based on QNX Neutrino, and runs apps developed using Adobe AIR. It was later announced that the BlackBerry Tablet OS would be merged with the existing BlackBerry OS to produce a new operating system, BBX (later renamed BlackBerry 10) that would be used universally across RIM's product line. A second major revision to the BlackBerry PlayBook OS was released in February 2012. The PlayBook also supports Android OS applications, allowing them to be sold and installed through the BlackBerry App World store. Early reviews were mixed saying that although the hardware was good, several features were missing. Shipments totalled approximately 500,000 unit during the first quarter of sales and 200,000 in the following quarter. Much of the 700,000 units shipped to retailers remained on the shelves for months, prompting RIM to introduce dramatic price reductions in November 2011 to increase sales. Rumors about the forthcoming computer, nicknamed the 'BlackPad' in the press because
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