Recent and related: https://news.ycombinator.com/item?id=22789953

https://news.ycombinator.com/item?id=22390486

https://news.ycombinator.com/item?id=21200721

https://news.ycombinator.com/item?id=20909404

(These are links for the curious. I add that because readers sometimes assume that we're chiding people for posting related things. Pas du tout!)