This was asked a while back, and had some interesting responses, so here's a link to the last discussion: http://news.ycombinator.com/comments?id=8676 http://ne

This was asked a while back, and had some interesting responses, so here's a link to the last discussion: http://news.ycombinator.com/comments?id=8676 http://news.ycombinator.com/comments?id=8676