Combining two or more gadgets into one is all the rage, with more than a few cellphones that have digital cameras, DVD/VCR combo players, and digital cameras that play MP3s on the market these days. But apparently not all of the gadgets being combined have to be cutting edge, like the New Motion Muzix AERA MP3 player, which comes with a handy little built-in flashlight. Why hasn’t anyone thought to put these in cellphones?