|Think about Loose Coupling|
Re^2: Bluetooth people presence detector :)by fmerges (Chaplain)
|on Nov 09, 2006 at 17:18 UTC||Need Help??|
There're night clubs which use implanted RFID to identify their VIP guest, and also for payment purposes...
I think in the long term, everybody will get RFID or some newer technology implanted by law or "accidentaly", or even without knowing it.
Update: Nice links:
fmerges at irc.freenode.net