Share your favourite tech talks?

Monoliths and Microservices: https://youtu.be/gOZFmFNl1uk

Types vs Tests: https://youtu.be/apu-J0msaiY

Stop Writing Classes: https://youtu.be/o9pEzgHorH0

Breaking up your test suite: https://youtu.be/9_3RsSvgRd4

Maybe not the kind of "tech" you were expecting, but...

Respect the Unstable: https://www.youtube.com/watch?v=9Lhu31X94V4

https://www.destroyallsoftware.com/talks/the-birth-and-death...

Structure and Interpretation https://www.youtube.com/watch?v=2Op3QLzMgSY