Amazon.com
“Ambitious projects evolve quickly and have to adapt to changing environments as they go. Projects run into unpredictable design obstacles, or political obstacles, or simply discover that things aren’t working as planned. Requirements morph unexpectedly. How do you get that feedback loop so that you know the instant your plans or designs need to change? Answer: by working in a team.”
“People working in caves awake to discover that while their original vision may be complete, the world has changed and made the product irrelevant.“
–Team Geek: A Software Developer’s Guide to Working Well with Others