"DNA" for roadside trash?...

Wouldn't you love to be able to identify that guy who left the washing machine in your ditch? If RFID tags become as common as predicted, authorities might be able to:

The fear is that what we buy will be forever linked to us. In the nightmare scenario, an innocently discarded soft drink can could end up in what later becomes a crime scene.

RFID could open a whole new field of forensics where the tag on the can removes any reasonable doubt.