Advertising is the price you pay for unremakable thinking.
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.
You don't choose your passions; your passions choose you.
Maintain a firm grasp of the obvious at all times.
E-mail has some magical ability to turn off the politeness gene in a human being.
The death knell for any enterprise is to glorify the past -- no matter how good it was.