The Sunday Times’ tech correspondent Danny Fortson brings on Phil Libin, founder of Mmhmm, to talk about fasting (3:35), starting the company (5:00), what it does (9:15), the end of the social media ice age (13:20), a trillion dollar shift (17:00), why he’s not worried about rivals copying him (24:30), who uses it (27:00), how he came up with the name (30:45), what goes wrong at startups (34:20), what skydiving taught him (39:35), the new hybrid world (43:30), and why he plans to leave San Francisco (46:30).