The Sunday Times’ tech correspondent Danny Fortson brings on Iain McIntyre and Tim Fiori of Humm to talk about creating brain prosthetics, starting out in Australia (3:20), turning a room-sized machine into a band-aid (7:10), improving working memory (8:45), and what that means (11:25), the miniaturisation process (13:40), my own brain test (14:35), tuning the brain’s orchestra (17:55), the business plan (21:20), targeting old people (23:20), marketing it as a wellness product (24:40), bifurcating the human race (27:35), why someone else isn’t doing this (31:20), compounding interest in your brain (35:05), why others have failed (36:40), and a better brain subscription (38:30).