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Title: High Maintenenct
Review: The problem with this device is that the ball is very smooth and will slip if it gets the least little bit of grease on it from a skip cream or even eating a potato chip. I use the mouse all day and had to switch to a trackball to avoid repetition injury. The only other mouse I've used is Logitech which is an optical mouse and requires no reqular cleaning. I'd definitely not buy Microsoft if you're a heavy user.
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