Also discussed at considerable length here: https://news.ycombinator.com/item?id=28821498 https://news.ycombinator.com/item?id=28821498 (different write-up, s

Also discussed at considerable length here: https://news.ycombinator.com/item?id=28821498 https://news.ycombinator.com/item?id=28821498 (different write-up, same problem)