HP Tablet News, Celebs Try Microsoft's Kinect, and More

In World Tech Update this week, HP puts the Slate 500 on sale, OLPC delays its tablet debut, Sony stops selling its Walkman in Japan, YouTube plans the next Symphony Orchestra, celebrities try out Microsoft Kinect, and Foursquare offers a tough-to-get badge.

For comprehensive coverage of the Android ecosystem, visit Greenbot.com.

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