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Users don't care about products,Users don't care about products,Zhuangzi and Keiko, Ichiro Honda and Takeo Fujisawa, Jobs and Cook.

And care about what kind of value and honor your product can bring him.Altruism is an advanced self-interest.

And care about what kind of value and honor your product can bring him.Know how to reflect on yourself and regard every setback as a stepping stone to growth;Kazuo inamori once said: Self-interest begets life, while altruism lasts for a long time.