Considerable discussion from the last time this was submitted: http://news.ycombinator.com/item?id=1596160 http://news.ycombinator.com/item?id=1596160 And the

Considerable discussion from the last time this was submitted: http://news.ycombinator.com/item?id=1596160 http://news.ycombinator.com/item?id=1596160 And the time before that: http://news.ycombinator.com/item?id=537000 http://news.ycombinator.com/item?id=537000 (edited for typos - my fingers haven't warmed up yet)