No nationwide survey of the insects' numbers has been published since former RAF pilot and school teacher Bob George, who began mapping them in the 1950s, published his Atlas of the Fleas of Britain and Ireland in 2008.

BBC: Who, What, Why: Have flea numbers jumped?

In a 500-company survey of spending plans from 2005 to 2007, AMR found that 69% plan to evaluate, pilot or implement RFID in 2005.

FORBES: The Great RFID Experiment That Wasn't