Wi-fi and RFID used for tracking

From BBC NEWS:

"You would know where your people are at any given moment," he said.

Marcus Birkl, head of wireless at Siemens, said location tracking of assets or people was one of the biggest incentives for companies, hospitals and education institutions to roll out wi-fi networks.

Both firms were at The Wireless Event, in London, this week selling new products in the area of so-called real-time location services.

Siemens is pushing a complete system, developed with Finnish firm Ekahau, which can track objects or people.
(BBC NEWS)