The 2 geeks headline their discovery with the fearful tactic that Apple and potentially Google are tracking your every move.

FORBES: iPhone Tracking Draws Concern from US Lawmakers -- But Will Consumers Care?

But there's a fine line between Big Data and Big Brother, at least in the eyes of some employees, who might shudder at the idea of the boss tracking their every move.

WSJ: Tracking Sensors Invade the Workplace

Considering how governments are suddenly feeling that tracking your every move, or at least providing the means for someone else to, is such a brilliant idea, it's no surprise to see the Bluetooth masters at Cambridge-based CSR buy up NordNav and Cambridge Positioning Systems.

ENGADGET: Britain's CSR developing uber-sensitive Bluetooth / GPS hybrid chip