Sigmund Freud may be the father of marketing as we know it, but these days there are new beardy influencers on the scene in the shape and form of hipsters, whose image of old school, wholesome (and whole food) values is now used to sell everything from Fair Trade to high-end luxury brands. Of course, hipsters are not the only social influencers today helping brands build strong relationships with customers and potential customers. But the power of personal recommendation has