The same question came up just a little while ago: https://news.ycombinator.com/item?id=9836376 https://news.ycombinator.com/item?id=9836376 Check out those th

The same question came up just a little while ago: https://news.ycombinator.com/item?id=9836376 https://news.ycombinator.com/item?id=9836376 Check out those threads and start digging. Patio11 is a good person to read up on.