Follow up: why isn't this a thing

Following from my previous post http://www.markrobertallen.com/search?q=Watch

Sony has just announced a smart watch that connects to your android phone. Come on apple, surely you can blow this out of the water. http://www.gizmodo.com.au/2012/01/sony-smart-watch-lets-you-monitor-your-xperia-from-your-wrist/