My Computer is Skinnier Than Yours

It’s ironic how technology often surges in two opposite directions. On one hand, you ‘ve got those ever-expanding plasma TVs. Bigger is better, right? Then you’ve the teenie, tiny cell phones, mp3 players and even computers. Upstart has a computer/monitor device that’s only 3 inches thick. No more worrying about footprint size. What I don’t understand is why watches have chosen to go the larger route?!?