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The BlackBerry PlayBook is a mini tablet computer developed by BlackBerry and made by Quanta Computer, an original design manufacturer (ODM)〔(BlackBerry maker unveils PlayBook tablet ), September 27, 2010, Reuters〕 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, BlackBerry 10, that would be used universally across BlackBerry's product line. A second major revision to the BlackBerry PlayBook OS was released in February 2012.〔(【引用サイトリンク】title=An Update on BlackBerry PlayBook OS 2.0 )〕 The PlayBook also supports Android OS applications, allowing them to be sold and installed through the BlackBerry App World store.〔Chris Davies, ("RIM PlayBook Android app limits detailed disappointingly" ), SlashGear, September 28, 2011〕 Early reviews were mixed saying that although the hardware was good, several features were missing. Shipments totaled approximately 500,000 units during the first quarter of sales and 200,000 in the following quarter.〔(【引用サイトリンク】 title=RIM's PlayBook Shipments Drop in Half )〕 Many of the 700,000 units shipped to retailers allegedly remained on the shelves for months, prompting BlackBerry to introduce dramatic price reductions in November 2011 to increase sales.〔(【引用サイトリンク】title=RIM PlayBook Price Slashed – MarketWatch Video )〕 Sales rebounded following the price cuts,〔(【引用サイトリンク】title=PlayBook buyers line up as prices slashed for RIM’s tablet computer )〕 with BlackBerry shipping approximately 2.5 million BlackBerry PlayBooks by June 1, 2013. ==Announcement== Rumors about the forthcoming computer, nicknamed the 'BlackPad' in the press because of its expected similarity to Apple's competing iPad, had circulated for several months before the announcement.〔(Report: RIM's Blackpad set to take on iPad ), CNET, July 30, 2010〕〔(RIM Readies Its Answer to iPad ), The Wall Street Journal, September 21, 2010〕 Research In Motion co-CEO Mike Lazaridis and Adobe Systems CTO Kevin Lynch staged the first public demonstration of the PlayBook on October 25, 2010,〔(''BlackBerry Playbook vs. iPad: Head to Head comparison'' ), Cantech letter, November 16, 2010.〕 onstage at the opening-day keynote of the Adobe MAX 2010 conference. Among the features demonstrated was its tight integration with and support for Adobe AIR applications and full Flash support. According to Lazaridis, "We're not trying to dumb down the internet for a mobile device. What we've done is bring up mobile devices to the level of desktop computers." Lazaridis then announced at the end of his presentation that developers who get Adobe AIR applications approved on BlackBerry App World would be eligible for free BlackBerry PlayBook tablets.〔(【引用サイトリンク】title=Adobe Max 2010 Opening Keynote )〕 Since then, the free PlayBook offer has been extended to include WebWorks applications. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「BlackBerry PlayBook」の詳細全文を読む スポンサード リンク
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