7973901378_92b39180d9_b After four months of running under Jack Dorsey interim chief executive, today Twitter finally named him as its permanent leader. The man who helped co-found Twitter in 2006 is now its full-time CEO again. Dorsey is juggling the job with a couple of other roles. In addition to already being the social network’s chairman of the board, he is also the CEO of Square, an e-commerce startup that… Read More