Most companies take existing customers for granted. They make 3 deadly assumptions; customers understand everything about your products, you know everything about your customers and, customers feel you are so special that they will be yours forever.
So, here are the 3 things never to think about your existing customers:
"Our customers understand our products." (They probably don’t.)
"We know everything we need to know about our customers."(You probably don’t)
"They love us, they....