semi◦diffusion: an AI tale of two cities

Substacknewsletter · by Cong · English

where BJ meets SF, and business reality meets AI.

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Audience
25K subscribers
Shown publicly on Substack
Publishing
Weekly
19 posts indexed in the last 90 days
Last post
Oct 16, 2026
14 days ago
Likely audience
AI data annotators
Inferred from post content

Momentum

#148 on Substack's Business leaderboard

From daily snapshots of Substack's public figures · how rising is measured

semi◦diffusion: an AI tale of two cities is a Substack newsletter by Cong covering Mercor platform, Mercor and AI evaluation. NewsletterFIT indexed 19 posts from it in the last 90 days, most recently on Oct 16, 2026. Shown publicly on Substack: 25K subscribers. It ranks #148 on Substack's Business leaderboard.

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Compiled from public pages · refreshed Oct 16, 2026 · How NewsletterFIT collects and labels data