When he read Chicken Soup From the Soul, Joe Farmer was struck by how many of the stories mentioned the scent of the islands. So Farmer created bottles filled with Hawaiian air and some scented essence beads. When customers shake the bottles up and open the lids, they're transported back to paradise. While many marketing experts did not think that consumers would buy bottles of air, Farmer has earned more than half a million dollars of sale during his first year of operation. Farmer was an example of a _____ entrepreneur.