Traditional sales and marketing involves increasing market shares, which means selling as much of your product as you can to as many customers as possible. One-to-one marketing involves driving for a share of customer, which means ensuring that each individual customer who buys your product buys more product, buys only your brand, and is happy using your product instead of another to solve his problem. The true, current value of any one customer is a function of the customer's future purchases, across all the product lines, brands, and services offered by you.
Seth GodinYour audacious life goals are fabulous. We're proud of you for having them. But it's possible that those goals are designed to distract you from the thing that's really frightening you--the shift in daily habits that would mean a re-invention of how you see yourself.
Seth Godin