Ben Rooney was wrong. At the time the article was published, BTC was trading for ~$30 not ~$15. Also, here is a site that uses web sockets to provide real time

Ben Rooney was wrong. At the time the article was published, BTC was trading for ~$30 not ~$15. Also, here is a site that uses web sockets to provide real time order info and price resistances: http://mtgoxlive.com/orders http://mtgoxlive.com/orders