There’s a very good reason you should always press the angry & smiley face buttons at the airport. Kara Godfrey; Published: 12:00, 25 Dec 2022; Updated: 16:18, 21 Dec 2022; ...

— The sunshine, smiley face on Kentucky’s license plates were not resonating, ... Some drew over the smiley face while others spent 75 cents on an angry sticker to cover up the face.

Next time you are feeling annoyed at the airport, you should press those smiley face buttons Credit: Getty. As well as giving travellers the chance to vent, they allow staff to respond as quickly ...