Discussed 8 years ago on Feb 19, 2017, 52 comments: <https://news.ycombinator.com/item?id=13682116 https://news.ycombinator.com/item?id=13682116> (Submitted a

Discussed 8 years ago on Feb 19, 2017, 52 comments: <https://news.ycombinator.com/item?id=13682116 https://news.ycombinator.com/item?id=13682116> (Submitted as it happens by ... me.) Not a dupe, "reposts are ok after a year or so": <https://news.ycombinator.com/item?id=8831566 https://news.ycombinator.com/item?id=8831566>.