Ford sync
Radio Disrupted: Ford and other car makers are poised to disrupt the radio business by adding the Internet to your dashboard. - 

At the Detroit auto show, it'll be clear that cars are becoming the biggest mobile device we own -- from 4G networks to wi-fi hotspots. More auto makers are integrating dozens of apps right into the dashboard, but every time drivers fire up a travel app or a music streaming program, they're giving up data -- lots of it. 

Gigi Douban looks at the privacy implications that come with all this connectivity.