cycle paths

Copenhagen's bicycle ambassador Mikael Colville-Andersen argues in a TEDx talk that bicycle helmets threaten bicycle culture. He says they distract from road design and make cycling look dangerous.

Allen Holub's keynote arguing that estimation is harmful, particularly in Agile, and presenting planning approaches based on data and flow instead. It covers the distinction between estimation and data-driven prediction.

Michael Steil's 33c3 talk explains essentially everything about the Game Boy: CPU, video hardware, peripherals, and the tricks used by games and demos. It revives the era of counting clock cycles around hardware limits.

Soil microbiologist Elaine Ingham speaks at the Oxford Real Farming Conference on how soil organisms cycle nutrients, unlock minerals from rock and air, and why pesticides and fertilizers harm soil life. Slides are linked in the description.

Michael Green of Thiel Macro presents a thesis that the growth of passive investing distorts how markets price new money flows. He ties short-term market behavior to longer-term demographic cycles and its effects on valuations and volatility.

Rare footage of Steve Jobs giving a 22 minute presentation about Apple in 1980, donated to the Computer History Museum. In it he explains the company name and the bicycle-for-the-mind idea for computers.

Eric Seidel presents Sky, an experimental open-source framework for writing mobile apps in Dart with fast development cycles and 60Hz UI. Sky later became Flutter.