Mustang
Ford Mustangs sits on the lot of a new-car dealership. - 

If you've got a newer car, chances are it's got GPS. That's useful, but it also might be collecting data on you. A Ford executive recently stirred up controversy when he said the automaker knows when drivers of its cars break traffic laws.

Alan Mulally, Ford's CEO, later said that Ford doesn't track cars -- and won't even down the road. He also called for better privacy laws as cars add new location-based technology.

Ryan Calo, Law Professor at the University of Washington, joins Marketplace's Mark Garrison to discuss. 

Follow Mark Garrison at @GarrisonMark