Blackberry Playbook

he BlackBerry PlayBook is a tablet computer by Research In Motion ( RIM ) . The PlayBook is based on the BlackBerry Tablet OS, a new operating system based on QNX Neutrino, and runs apps developed using Adobe AIR .  The device was first released for general purchase in the United States on April 19, 2011, with a second major revision to the BlackBerry PlayBook OS scheduled for a February 2012 release .

Features : 
The BlackBerry PlayBook supports up to 1080p video playback. PlayBook Features a 3 MP front-facing camera for video chatting over Wi-Fi and a rear-facing 5 MP camera, both of which can record 1080p video .
The PlayBook has a 1024×600 WSVGA, 7-inch display and 3D graphics acceleration.
The BlackBerry PlayBook supports high resolution video playback (H.264, MPEG4, WMV), and audio (MP3, AAC 5.1, WMA 5.1 audio playback) formats.
It also has a micro-HDMI port for HDMI video output.

Reception :
Various sources put the sales figure on launch day alone at approximately 50,000, exceeding expectations
However, after lukewarm market reception, there were reports that the company revised its second-quarter estimates from 2.4 million down to 800,000 – 900,000 units.
According to Strategy Analytics figures in the 2011 second quarter, the PlayBook's market share is 3.3 percent, compared to iOS (iPad, iPad 2) by Apple with 61.3 percent, Android by Google with 30.1 percent, and various Windows by Microsoft with 4.6 percent.