If you do a quick search for “marketing strategies” on your search engine of choice, on the first page you’ll most likely see articles on attracting new customers, carving out a presence on social media, how to market to different demographics, how to expand your market share, and a variety of topics focused on increasing total number of customers and total sales. Understandably so, really, since finding new customers and getting them to spend more money with your business is what most people think of as the primary goals of marketing. What this misses out on, however, is the immense value of marketing to existing customers.