One of the most powerful ways to deepen customer loyalty is to reward your customers for sticking with you. This is why loyalty programs are so popular. But there is an additional benefit, too. Customers actively participating in loyalty programs not only continue to buy from you, but they spend more money when they do. According to a recent study by Oracle: 72% of U.S. online adults belong to at least one loyalty program. In a typical three-month period, loyalty program memb