As crazy as it sounds, Dunkin Donuts is using flavor radio to spray coffee scent into the air on buses to increase sales.
This is happening in Seoul where competition among coffee shops is very intense. Most people there do not think of Dunkin when they think of coffee and the company aims to change all that.
Find out more or watch the video below. http://bostinno.com/2012/07/24/dunkin-donuts-sprays-the-smell-of-coffee-onto-buses-to-increase-sales-video/