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Concurrent

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Understand the parallel and colliding tech and cultural currents shaping Silicon Valley, China, and beyond.

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Substack
PricingOnly free issuesPublishesWeekly
Issues25Founded3 years agoLast Issue14 days ago
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Latest Issues

Mandate of AI

The drive from a batch of AI labs in Haidian district to the robotics company in Yizhuang takes the better part of an hour. We are running half the length of the Fifth Ring, which is ninety-eight kilometers, top to bottom, through a city my...

14 days ago
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The Center and The Periphery

When I encountered the word “jailbreaking” again in 2023, it took me a moment to realize it no longer meant what I remembered. For teenagers coming of age today, it has nothing to do with Apple’s iOS—it refers to circumventing the safety ar...

2 months ago
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China OS vs. America OS (2026 version)

Who are the real power brokers of China’s AI, the equivalent of Sequoia and a16z in Silicon Valley? My friend Lei Du’s answer: the municipal governments of Shanghai, Beijing, and Hangzhou. Diligent, brain-fried officials running on pure FOM...

2 months ago
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First, Dig the Latrines

An online intellectual community loved a sprawling work of fiction. The fiction recruits believers. The believers reimagine technology, politics, institutions through rational, science-based, first-principles thinking. You’re thinking of Le...

2 months ago
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An AI-Maxi New Year

It’s Chinese New Year, and my timeline is dominated by two names: Jia Zhangke and Unitree.

Jia Zhangke, the 55-year-old director whose melancholic, unhurried gaze at ordinary Chinese life has long mesmerized Western cinephiles—turns out to...

3 months ago
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  • afra

    writer of Concurrent newsletter; host of podcast CyberPink I write about Silicon Valley and China

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