Royals and celebrities are being warned by their representatives and advisers to watch what they say when they are out of the house – or palace – as a lip-reading phenomenon means videos can be posted online and translated in seconds.
Prince William was recently embroiled after a video of him speaking to Andrew Mountbatten-Windsor was translated by an expert lip-reader who was working as part of a forthcoming Channel 5 documentary, Lip-Reading the Royals.