If you are chosen for the 500, generally you have the largest market value. You've reached where you want to be. If you are there you are among the leading companies in America.

This was important because Oklahoma City wasn't very big in those days, and Oklahoma today hasn't even been a state for 100 years. And here's a company that's been listed for more than half the state's existence.

Look at the railroads and Western Union; some of those have been antiquated.

Private equity likes retail because of the real estate element. There is plenty of hidden value in the owned and leased real estate in these companies' portfolios.

That's something that could be of significant economic value.

It's actually very crucial for the financial model to be based on end-users paying for the value they receive. It's a reboot of the Internet business model.