In chemistry, the smallest change can lead to the biggest revolutions.
创新是将变化视为机会而非威胁的能力。
"你越是试图理解谎言,就越少知道。"
We've done price elasticity studies, and the answer is always that we should raise prices. We don't do that, because we believe -- and we have to take this as an article of faith -- that by keeping our prices very, very low, we earn trust with customers over time, and that that actually does maximize free cash flow over the long term.