https://news.ycombinator.com/item?id=9476139 https://news.ycombinator.com/item?id=9476139 but many other possible ad-hoc informative pieces of info are out ther

https://news.ycombinator.com/item?id=9476139 https://news.ycombinator.com/item?id=9476139 but many other possible ad-hoc informative pieces of info are out there from googling around