Day 1防御计划的首要因素包括：「以顾客为中心」 将业务集中于一点的方法有很多。 但在我看来，以客户为中心是目前保持Day 1活力的最佳做法。
2016年：贝索斯致股东信《每天都要像创业的第一天那样》
Communicate everything you possibly can to your partners. The more they know, the more they'll understand. The more they understand, the more they'll care. Once they care, there's no stopping them.
The community stagnates without the impulse of the individual. The impulse dies away without the sympathy of the community.