If your customer base is aging with you, then eventually you are going to become obsolete or irrelevant. You need to be constantly figuring out who are your new customers and what are you doing to stay forever young.

The best customer service is if the customer doesn't need to call you, doesn't need to talk to you. It just works.

There are two ways to extend a business. Take inventory of what you're good at and extend out from your skills. Or determine what your customers need and work backward, even if it requires learning new skills. Kindle is an example of working backward.

They have 25 million customers, we have 5 million customers. We want to go directly after their customer base.

We need to reengineer companies to focus on figuring out who the customer is, what's the market and what kind of product you should build.

Our customer base grows by the happy customers that go out of our doors.