This was previously posted slightly over a year ago and had some good discussion - https://news.ycombinator.com/item?id=10686610 https://news.ycombinator.com/it

This was previously posted slightly over a year ago and had some good discussion - https://news.ycombinator.com/item?id=10686610 https://news.ycombinator.com/item?id=10686610