Dup: http://news.ycombinator.com/item?id=1009387 http://news.ycombinator.com/item?id=1009387 See also: http://news.ycombinator.com/item?id=1011488 http://news.

Dup: http://news.ycombinator.com/item?id=1009387 http://news.ycombinator.com/item?id=1009387 See also: http://news.ycombinator.com/item?id=1011488 http://news.ycombinator.com/item?id=1011488