There are also lots of great comments on the sibling submission from a few weeks ago: http://news.ycombinator.com/item?id=2861825 http://news.ycombinator.com/i

There are also lots of great comments on the sibling submission from a few weeks ago: http://news.ycombinator.com/item?id=2861825 http://news.ycombinator.com/item?id=2861825