Danny In The Valley

Cal Henderson: 'Email is the cockroach of the Internet'

45:22 | Jun 10th, 2017

The Sunday Times' tech correspondent Danny Fortson brings on Cal Henderson, co-founder and CTO of Slack, the wildly popular business messaging platform, on founding photo sharing company Flickr (2:30), its ill-fated sale to Yahoo (6:00), starting aga...Show More