There was a conversation about this a few months ago as well: http://news.ycombinator.com/item?id=1287581 http://news.ycombinator.com/item?id=1287581 (it might

There was a conversation about this a few months ago as well: http://news.ycombinator.com/item?id=1287581 http://news.ycombinator.com/item?id=1287581 (it might be useful to you)