Some 200 mobile phone users in Caen, in the northwestern part of France, are learning first hand what Near Field Communications (NFC) technology is all about. Want to buy something? Wave your cell phone. Want to use a car park? Hold your cell phone up to the reader. Want information on a tourist site? Hold your cell phone...well, you get the idea. As the Caen trial illustrates, the cell phone is becoming the “Swiss Army Knife” of the modern world.