Stockholm billboard detects coughs and sneezes

The campaign, which was incorporated a listening device and an artificial intelligence motor to identify 40,000 cough and sneeze sounds.

The idea behind the billboard was to remind those with cold symptoms, that they can cancel KLM flights at no cost.

When a sneeze or cough is detected, an image of a holiday destination with a low price switches to the words: “Unwell?” or “Bless you!” followed by “Cancel Lisbon €0”.

According to Marketing Communication News, a successful campaign by KLM in March this year caused summer trip sales to go up by 70% in Sweden.Meaning campaigns such as these can help to take some of the stress out of booking holidays.