http://wired.com/news/technology/0,1282,66595,00.html
"Instant, is a property-marking fluid that, when brushed on items like office equipment or motorcycles, tags them with millions of tiny fragments, each etched with a unique SIN (SmartWater identification number) that is registered with the owner's details on a national police database and is invisible until illuminated by police officers using ultraviolet light.

A second product, the Tracer, achieves a similar goal by varying the blend of chemical agents used in the liquid to produce one of a claimed 10 billion one-off binary sequences, encoded in fluid combinations themselves. "

and then that "Instant" crap will connect to the internet and trap you all