Messages using the sense of smell create a much more direct impact than visual ones, says Robert Müller-Grünow. They affect the customer's mood. His company is called scentcommunication.He produces items businesses can use to make their rooms and offices smell nice. The Swissôtel in Berlin keeps a scent cartridge in its air conditioning system. The aroma then serves as an olfactory reminder of the place.
Report by Christian Pricelius.