The Sunday Times’ tech correspondent Danny Fortson brings on Steve Ballmer, former Microsoft CEO and one of the world’s richest men, to talk about retiring with a $33bn fortune (1:55), launching his new project USA Facts (3:00), losing his shirt investing in Twitter (3:55), starting as employee number 30 at Microsoft (5:20), what disruption looked like in 1980 (9:20), the most important negotiation of his life (11:25), being Microsoft’s biggest investor (13:00), why he started USA Facts (15:05), on “Making Data Great Again” (16:05), fake news (17:00), on whether he wants to run for office (22:10), spending $2bn on the NBA’s Los Angeles Clippers (24:00), when he tried to buy Yahoo for $45bn (27:20), his biggest mistake (29:15), and the next big thing (30:20).