The fight between the active shutter glasses 3D technology favored by TV manufacturers like Samsung, Panasonic and Sony against the Film Pattern Retarder (FPR) passive glasses 3D technology being pushed by LG got uglier this week. The Wall Street Journal points out LG's print ads currently running in Korea (they could be running here already, but we'd have to read physical magazines or newspapers to know for sure) claim that unlike the competition, it will work even when viewers lay down on their sides, though the effect may be slightly weakened. Samsung responded by citing experts recommending keeping your he