Now Playing: 2-8-13 Marketplace Tech: Europe's Fraught GPS Plan, Twitter Buys Bluefin, and The Medical Internet of Things

Europe has a plan for its own version of the Global Positioning System (GPS), but the over-budget, overdue Galileo system may never actually come into being. Twitter's purchase of Bluefin Labs might just be all about selling TV ads on your second screen. And the Internet of things is also going to have significant impact on the health care industry.