and Why It Matters! Referral marketing has dramatically evolved over recent years and, if your firm has not adopted new tactics and strategies, you may be leaving significant business on the table. In this post, Dr. Frederiksen shares some of Hinge Marketing’s thinking about how referral marketing has changed. In the coming months, Dr. Frederiksen will continue exploring this topic, looking first at the process of developing a referral marketing strategy, and then discuss some of the most effective tactics his firm has seen.