First sources w.r.t. timing: https://news.ycombinator.com/item?id=17359309 https://news.ycombinator.com/item?id=17359309 and https://news.ycombinator.com/item?i

First sources w.r.t. timing: https://news.ycombinator.com/item?id=17359309 https://news.ycombinator.com/item?id=17359309 and https://news.ycombinator.com/item?id=17358548 https://news.ycombinator.com/item?id=17358548