Ask HN: Best Talks of 2022

It's time to summarize the year in one of my favorite annual HN topics.

What are the best talks you've come across throughout the year? Preferably including a short summary on what the talk is about or why you think it's a great talk.

2021: https://news.ycombinator.com/item?id=29653938

2020: https://news.ycombinator.com/item?id=25537230

2019: https://news.ycombinator.com/item?id=21858866

2018: https://news.ycombinator.com/item?id=18740939

2017: https://news.ycombinator.com/item?id=16045859

2016: https://news.ycombinator.com/item?id=12637239