Discussed before here: https://news.ycombinator.com/item?id=25068820 https://news.ycombinator.com/item?id=25068820 (The original article has disappeared but th

Discussed before here: https://news.ycombinator.com/item?id=25068820 https://news.ycombinator.com/item?id=25068820 (The original article has disappeared but the archive.org doesn't forget.)