This week at Lifehacker: Unlock the power of the scroll wheel and mouse gestures and drive Firefox without taking your hand off the clicker. Fix scratched CDs with toothpaste, Pledge, Pinesol or peanut butter. Get flight status information, horoscopes and drink recipes SMS'ed directly to your phone. Make sure your laptop battery doesn't poop out during the key scene of that DVD movie you're watching. Finally, get AIM on your PSP.
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