Pacing was something he had done for as long as any friends of his could remember; his father once remarked that a young Travis had worn a hole in the floor of his bedroom from all the pacing. The habit didn’t dissipate with age. As he grew older, Kalanick leaned into it. Pacing became his thing. Occasionally, when taking a business meeting with an unfamiliar face, he’d apologize and stand up—he had to pace.