There's already 2 discussions with a lot of comments on this subject if you're interested : http://news.ycombinator.com/item?id=4329122 http://news.ycombinator

There's already 2 discussions with a lot of comments on this subject if you're interested : http://news.ycombinator.com/item?id=4329122 http://news.ycombinator.com/item?id=4329122 http://news.ycombinator.com/item?id=4391249 http://news.ycombinator.com/item?id=4391249