One of our readers just sent in this nifty clip of a MacBook owner using AMSTracker software and its built-in motion sensor to quickly switch between OS X, CentOS, and Windows XP. Video after the jump. (Thanks, Brian L)

One of our readers just sent in this nifty clip of a MacBook owner using AMSTracker software and its built-in motion sensor to quickly switch between OS X, CentOS, and Windows XP. Video after the jump. (Thanks, Brian L)