Travis Kalanick, cofounder and chief executive of Uber.

Travis Kalanick: I run Uber like I did when we were 5 people

Travis Kalanick has learnt the hard way how easily perceptions of your company can change when you stop being the little guy. But that hasn’t stopped him retaining elements of the startup mentality in his approach to running Uber.

Under new rules, Uber faces Chicago closure

The powers that be in Chicago have proposed new regulations that, if passed, would mean lights out for startup Uber and its mobile system for booking and paying for black car service.