And Apple, which has yet to include indoor maps in its Maps app, is nevertheless employing indoor positioning technology in its Apple Store app to push Genius Bar customers a check-in notification as soon as they enter the retail store.

FORBES: Indoor Venues Are The Next Frontier For Location-Based Services

The fact is the marketplace is littered with dozens of novelty watches, all of which tell time well, and which do such things as receive Global Positioning Systems signals, change the channel on TV sets, take pictures and store contact lists like a personal digital assistant.

FORBES: Magazine Article