Hi, My four month old magic mouse all of a sudden stopped tracking. Clicking, scrolling and swiping works fine but it won't track no matter what. Any idea what could have gone wrong? I really enjoyed working with the mouse. If its dead, then should I buy another one or are they prone to such problems. I can use a third party mouse but they simply don't integrate with os x 10.8 as well as the MM. Please suggest. I'm a graphic designer BTW. thanks in advance.