The personnel push-and-pull between tech companies is always interesting to watch; who goes where can be a sign of how insiders are placing their bets. And more than bragging rights appear to be at stake as Josh Elman, who used to work for Facebook, has joined Twitter. We're not saying that Elman's move signals the end of Facebook, of course. It's just that he was an important fellow at the company. Elman served as the Facebook Platform's program manager and led the launch of Facebook Connect, so he may deserve a lot of credit for establishing Facebook's relationships with... [read full story]



