Customs and Border Protection has been purchasing mobile location data from ad agencies to track people's movements.

Add Yahoo as a preferred source to see more of our stories on Google. You can't completely stop your cell phone from providing clues about where you go, but you can do a lot to reduce the data ...

The internet is filled with queries on how to track a cell phone number and that could be for any reason. It could be because you just want to know, or it could be a privacy concern for some. Tracking ...

Most Americans have a cell phone on them or nearby at all times and are concerned with the legality of cell phone location tracking. The courts have wobbled back and forth on Fourth Amendment rulings ...