Creator posted it as Show HN last week: https://news.ycombinator.com/item?id=47603966
Current post is by someone else
Current post is from the creator (not that I particularly care one way or the other):
https://news.ycombinator.com/item?id=47694065
Current post is from the creator (not that I particularly care one way or the other):
https://news.ycombinator.com/item?id=47694065