現(xiàn)金
2005年：貝索斯致股東信《盡管是數(shù)字在發(fā)揮作用，但決策因素還是“判斷”》
2009年：貝索斯致股東信《執(zhí)著于用戶體驗(yàn)》
2010年：貝索斯致股東信《研發(fā)應(yīng)該遍及每個(gè)部門》
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.