The technology can tell when people enter a shopping centre, what stores they visit, how long they remain there, and what route they take as they walked around.
The device cannot access personal details about a person’s identity or contacts, but privacy campaigners expressed concern about potential intrusion should the data fall into the wrong hands.
Now this is what I call responding to your market.
In the case of Gunwharf Quays, managers were surprised to discover that an unusually high percentage of visitors were German – the receivers can tell in which country each phone is registered – which led to the management translating the instructions in the car park.