Facebook Will Track What Physical Stores You Go Into

Facebook is planning to track how many times a week you go to the grocery store, and every other store, and it will share that information with advertisers. Using the location services on your phone, Facebook will keep a tally of who goes to what stores, and show the anonymized numbers to advertisers, as evidence that buying ads on Facebook is getting people to visit brick-and-mortar businesses.
Read more: http://www.popsci.com/facebook-will-know-what-stores-you-go-into?source=Snapzu