Who should Apple fans follow on Twitter? Here are the key accounts worth a look on the social network. With the news that Apple boss Tim Cook has finally joined Twitter, it's now possible to follow the Apple supremo's every thought through the popular social network. (Or at least it will be once the famous workaholic finds time to tweet properly - he's currently managed just two tweets and a retweet.) Pathetic, Tim, just pathetic Who else should the discerning Apple fan follow on Twitter? We've gathered the movers and shakers of the Apple world, together with their Twitter handles, below - from senior members of Apple's executive team to Apple analysts, experts and enthusiasts worth following. Apple executives
