When Apple and Google get into your car

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.