Facebook wants to show advertisers that their ads make you visit their bricks-and-mortar stores and buy their stuff. To do this, they'll use phones' location services to track whether people actually walk into the stores after seeing an ad.
Facebook wants to show advertisers that their ads make you visit their bricks-and-mortar stores and buy their stuff. To do this, they'll use phones' location services to track whether people actually walk into the stores after seeing an ad.