GPS will tell you how to get to the nearest Apple store. With iBeacon, Apple hopes to guide you around once you're inside.
On Friday, Apple Inc. will begin using the technology at its 254 U.S. stores to send you messages tailored to where you are inside, provided you have downloaded the Apple Store app and have given Apple permission to track you.
The company demonstrated the technology to The Associated Press in New York this week.
One day, commuters might get information on subway delays as they stand on the platform, while museum visitors might get details on the painting they are standing in front of.
In-store location technology does raise privacy concerns, though many shoppers have shown a willingness to be tracked for discounts.