Silly us. Missed the one from Peugot that it sneakily put out a few days ago. An observer who saw the “Car that changes colour” gambit from the French auto maker said that if he hadn’t seen it on April 1st it would have been easily believable that Peugeot had actually developed this car. This is the thing about technology now. You’re prepared to believe almost anything. Cars are a good source of material for these tricks. Remember the Volt convertible last year? Our thanks to the reader who told us about the colour prank.