And You Don’t Even Realize It! Diffusing a pleasant scent in a shop leads to better evaluations of the merchandise and to a (20%) sales increase.Rearranging the food on a table increases the consumption of fruit and decreases the consumption of brownies. Playing Classical Music in a wine shop leads to a sales increase in value, but not in volume. Making Things Fun (e.g. the Piano Stairs) is Not necessarily a Good way of Influencing Behavior.