Every business needs satisfied customers to survive and thrive. Seriously. You can have incredible products and the largest marketing budget in the world, but if you don't know how to satisfy customers, your business is likely doomed. This is why Jeff Bezos, the founder of Amazon, said, "We've had three big ideas at Amazon that we've stuck with for 18 years, and they're the reason we're successful: Put the customer first. Invent. And be patient." Note how Bezos started with "put customers fir