XPAND YOUniversal 3D Glasses Review: Compatibility Comes at a Price

Today's 3D TVs use any one of three active shutter technologies—IR, RF, or Bluetooth. If you own more than one 3D set—or you're always short a pair of glasses at a friend's house—you'd appreciate a pair that can synchronize with multiple systems. That's better than keeping track of several pairs of backup glasses.… » 9/13/12 4:40pm 9/13/12 4:40pm