Digital Drills: The Monster Machines that Mine Bitcoin

Bitcoin! It's everywhere right now. Its value is dropping, spiking, dropping again. More and more new converts are hopping in, buying a few coins and trying their hands at the market, looking to make a quick buck with a profitable exchange. But all the while, there's an ever-dwindling army of specialists working in… » 4/15/13 12:21pm 4/15/13 12:21pm