this was already submitted here 55 days ago: http://news.ycombinator.com/item?id=1738670 http://news.ycombinator.com/item?id=1738670 and 3 days later this: http

this was already submitted here 55 days ago: http://news.ycombinator.com/item?id=1738670 http://news.ycombinator.com/item?id=1738670 and 3 days later this: http://news.ycombinator.com/item?id=1751056 http://news.ycombinator.com/item?id=1751056 was submitted. But is good to have more discussion about it.