Released for free after the DVDs sold out: http://www.bbsdocumentary.com/order/
[0]: https://www.youtube.com/watch?v=qXZ75Ds5vOs&list=PLXOSex6PRP...
It's about the battle between Clive Sinclair (of Sinclair Spectrum fame) and Chris Curry (founder of Acorn Computers, the progenitor of ARM) for dominance in the 80's UK home computer market.
https://www.youtube.com/watch?v=XXBxV6-zamM https://www.bbc.co.uk/programmes/b00n5b92
Alan Kay talks about the innovations that came out of PARC. I liked it because it confirmed my belief that true industry changing innovations are rare.