Things are getting a bit Big Brother in the mobile world (and we DON'T mean the TV show). Scientists at the Institute for Pervasive Computing in Zurich have been working on a system that turns Nokia 6630 handsets into surveillance cameras capable of communicating with each other to track a passer-by.
Admittedly, they're all mounted on the ceiling of a corridor, which you'd probably notice if you walked down it (unless you're used to seeing phones looking at you from the ceiling). They run an application called Facet, which uses Bluetooth to transmit data between the phones, enabling them to track a pedestrian.
But why do this with phones, when there are perfectly good security camera systems out there? It might be cheaper, perhaps, for companies who can't afford them but still want to pretend they're running a high-security compound. Perhaps.
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