Truly that's been my one-word theme for a few months now, ever since I heard the former CEO of the Ritz-Carlton speak about service. Mr. Schulze drove home the point that our current customers are the most important thing that great companies focus on. You can read about the other three on my blog "What I learned about service from a wise hotelier".
If you want to dive deeper into running a customer-focused company like the Ritz-Carlton does I strongly suggest you read: The New Gold Standard: 5 Leadership Principles for Creating a Legendary Customer Experience Courtesy of the Ritz-Carlton Hotel Company.
Read about the other 3 keystones of running a successful business on my blog.[Please look for the link to my website on my profile page. Just click on the "Link to my Website" link in my profile, find the link to my blog on my website - it's in the top right corner, and the article I mention here is on the front page under Small Business Tips and Tricks."]