“After a three-month stint writing code for an Alcatraz boat-tour outfit, he was living in a tiny San Francisco apartment. He had recently been turned down for a job at Camper, the shoe store. His luck changed one morning as he was sitting at Caffe Centro off South Park.” That’s how Nick Bilton describes Jack Dorsey who, shortly thereafter, would help create what became known as Twitter. From the NYT Magazine: The Savage Dawn of Twitter. Ironically, at that very moment I was in my office about 300 yards away and wearing a pair of Campers. So close…