Wednesday, January 20, 2010

What are those things called where you can control the computer with a hand sized thing?

Like if you are on Powerpoint, where can you buy those things and what are they called which click next or back and you press them but you don't have to stand at the computer?What are those things called where you can control the computer with a hand sized thing?
Google ';powerpoint presentation controller';





I just have and lots of products came up.

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