I personally emailed the first 5,000 users and gave them my phone number. Some of them actually called. That's how you learn what people want.
The companies that share the benefits of their scale with customers are the ones that will dominate the next century. Costco, Amazon, GEICO — they all figured this out.
The customer does not care about your stock price. The customer cares about whether the tomatoes are fresh.
The best founders I have backed all had one thing in common. They were obsessed with their customers, not their competitors.
We didn't win because we had the best technology. We won because we made our customers successful.
We are not in the business of selling merchandise. We are in the business of giving our members value.
The most important lesson dad taught us was to listen to your customers. Not just what they say — watch what they do.