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career

Always Day One

12 minute read

Published:

In 2012, Jeff Bezos wrote in his annual letter to Amazon shareholders: “Day 2 is stasis, followed by irrelevance, followed by excruciating painful decline, followed by death.” He used “Day One” to describe a state of perpetual beginning—curious, disruptive, restless. Years later, ByteDance adopted this philosophy as the first principle of its corporate culture: Always Day One.

life

Always Day One

12 minute read

Published:

In 2012, Jeff Bezos wrote in his annual letter to Amazon shareholders: “Day 2 is stasis, followed by irrelevance, followed by excruciating painful decline, followed by death.” He used “Day One” to describe a state of perpetual beginning—curious, disruptive, restless. Years later, ByteDance adopted this philosophy as the first principle of its corporate culture: Always Day One.

Finding My Way

11 minute read

Published:

Today, I’ve decided to start writing blogs again—or perhaps to start properly for the first time. Three years ago, as a freshman at Beijing University of Posts and Telecommunications, I kept a site at momoyeyu.github.io. But those posts were closer to study notes than real writing. So here, on March 31, 2025, I’m starting over.

thinking

Always Day One

12 minute read

Published:

In 2012, Jeff Bezos wrote in his annual letter to Amazon shareholders: “Day 2 is stasis, followed by irrelevance, followed by excruciating painful decline, followed by death.” He used “Day One” to describe a state of perpetual beginning—curious, disruptive, restless. Years later, ByteDance adopted this philosophy as the first principle of its corporate culture: Always Day One.

Finding My Way

11 minute read

Published:

Today, I’ve decided to start writing blogs again—or perhaps to start properly for the first time. Three years ago, as a freshman at Beijing University of Posts and Telecommunications, I kept a site at momoyeyu.github.io. But those posts were closer to study notes than real writing. So here, on March 31, 2025, I’m starting over.