WORLD TECH UPDATE, Oct. 28, 2010

IDG News Service
October 28, 2010 AT 1:35 PM
World Tech Update #139, October 28, 2010 Coming up on World Tech Update this week Barnes and Noble introduces a color e-reader, 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. Find out what's coming up on each week's show by following us on Twitter (WorldTechUpdate) or check out our Facebook fan page at