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Title: DO NOT BUY if you plan on using Windows Vista, 7, or Linux
Review: Put it simply, the developers at Kensington have not made mouseworks software for anything other than Windows XP for PC. They have no plans to release it for Windows Vista, Windows 7 or for Linux.Quite ridiculous seeing as how these trackballs are marketed for PC and Mac, not to mention how pricey they are.Only two buttons will work, in which case don't bother with this or other Kensington trackballs.This company does not support its products and doesn't plan to.
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