Actor Matt Damon is ruddy good at a prank, managing to trick unsuspecting members of the public into carrying out spy missions for him.
Once Jason Bourne, always Jason Bourne, eh?
Indeed, much like his screen character, Damon guides his targets (victims?) via a mobile phone, instructing them to do everything he says.
While some aren’t entirely on board – a non pork eater really just can’t get his head around why he’s being told to buy a super expensive hot dog – others follow his instructions to the letter. Which, as Damon points out later, is actually quite worrying…