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Tech News November 12, 2013 •

Tech News November 12, 2013

Stores Sniff Out Smartphones to Follow Shoppers

Indoor location technology brings Internet-style tracking to physical spaces.

You’ve just tossed a jar of peanut butter in your grocery cart when your smartphone buzzes. You glance down at the screen to see a message that seems downright clairvoyant: Buy some jelly. Get $1 off.