Previous discussion (same video, on hackaday): http://news.ycombinator.com/item?id=4958875 http://news.ycombinator.com/item?id=4958875 Another: http://news.yco

Previous discussion (same video, on hackaday): http://news.ycombinator.com/item?id=4958875 http://news.ycombinator.com/item?id=4958875 Another: http://news.ycombinator.com/item?id=3723943 http://news.ycombinator.com/item?id=3723943 And another: http://news.ycombinator.com/item?id=3710054 http://news.ycombinator.com/item?id=3710054 All 3 are linked to different articles.