Ask HN: Best Talks of 2021?

2020: https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=25537230<p>2019: https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=21858866<p>2018: https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=18740939<p>2017: https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=16045859<p>2016: https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=12637239<p>Ever: https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=18217762