PlayBook tablet from RIM

Research In Motion unveiled a tablet computer aimed at its core business customers, as it tries to gain a foothold in a fast-growing market dominated by Apple's consumer-friendly iPad. The BlackBerry PlayBook has a seven-inch (18 cm) touchscreen, dual high-definition cameras and boasts support from corporate IT departments. It has WiFi and Bluetooth but needs to link with a BlackBerry smartphone to access a cellular network.

The PlayBook weighs 400 grams (14 ounces). It will launch with a dual-core, one gigahertz processor running a QNX operating system. RIM acquired QNX less than a year ago.

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