Local

March 3, 2014 5:00 AM

Your favorite store may be tracking you while you shop

Signals emitted by your smartphone leave a digital trail that retailers can follow to find out how long you lingered in front of a sales rack or languished in a checkout line.

Related content

Comments

Videos

More Videos

'Brain: The inside Story' 01:02

'Brain: The inside Story'

How to spot GMOs on your grocery store shelf 00:40

How to spot GMOs on your grocery store shelf

Recovering from opioid addiction 05:12

Recovering from opioid addiction

Food pantry asks for help serving families with food allergies 03:01

Food pantry asks for help serving families with food allergies

Share Video

Editor's Choice Videos