蜜芽传媒

Uber's Chief Executive has resigned after pressure from investors. The $68bn ride-hailing firm has recently been hit by scandals, including sexual harassment allegations. 蜜芽传媒's tech reporter in California Dave Lee tells us more about Travis Kalanick, who co-founded the most valuable start-up in Silicon Valley.

Photo: Travis Kalanick at an event in Paris in 2013, Credit: Eric Piermont/Getty Images