CEO Jack Dorsey on how Twitter came to be (Part III, in interview series) It all makes sense when you learn that Twitter's CEO and co-founder, Jack Dorsey spent 15 years writing dispatch software for couriers, taxis and 911. Jack's concept of "ambient social awareness" is derived from the crackling sounds of voices, coming from two-way radios, saying what patient is going to which hospital, or which passenger needs a pick-up at what location. "You have all these people roaming about a metropolis, constantly reporting on what they're doing," Jack said to me, in a recent interview. "I just found this fascinating because you get this beautiful picture of what's going on in the city."In this interview (No. 3 of a series with Jack), we focus on how Twitter is changing the way we interact and communicate. I'm ... [ Read more ]