Some discussion from a few days ago: http://news.ycombinator.com/item?id=1717023 http://news.ycombinator.com/item?id=1717023 And an article about it from the e

Some discussion from a few days ago: http://news.ycombinator.com/item?id=1717023 http://news.ycombinator.com/item?id=1717023 And an article about it from the engineering department at UofT: http://news.ycombinator.com/item?id=1720854 http://news.ycombinator.com/item?id=1720854