Tracking You At Work

The Chicago Sun-Times reports on cutting edge tracking:

The technology causing a stir is called "geofences," and here's how it might work:

A struggling salesman veers off his route and slinks into a bar. Within moments, his boss knows he's there.

The bartender didn't rat him out. It was his work-issued cell phone. By bringing it inside, the phone crossed a computer-generated "fence" drawn around the bar by the boss. A tracking chip in the phone triggered an e-mail that was sent back to the office: The salesman's drinking lunch again.

Read the whole article to see who's apprehensive about being watched.