If you think that advertising on buses, trains and planes is a bit in your face, spare a thought for public transportation commuters in South Korea, writes Brian Byrne.
The local Dunkin' Donuts franchise in Seoul has recently completed a pilot project where a fresh coffee smell was wafted through city buses at particular times when the food company's jingle was played over the speakers.
When they got off those buses, they found themselves near Dunkin' Donuts stores.
Sales at the relevant outlets increased by 29 percent on average.
Don't tell Michael O'Leary … god knows what kind of olefactory come-ons would be injected into the ventilation systems in his planes.
