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Well to be honest they could do this with mobile phones without bluetooth and possibly more reliably: I had a conversation with a senior IT guy at a large UK retailer about using GSM picocells in the stores to do just this - the advantage here is the phone actively registers with the cell rather than being "discovered". I'm sure I've heard of some mobile telco that gives a discount if you are prepared to have location based advertising pushed at you via SMS. And then there is the RFID chip in your store card ...


In reply to Re^2: Bluetooth people presence detector :) by gellyfish
in thread Bluetooth people presence detector :) by Juerd

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