Weighty Thoughts | James Wang | Substack

VC on AI, deep tech, startups. Former Bridgewater, Google[x], startup founder. Read by top engineers, fund managers, and policymakers. Click to read Weighty Thoughts, by James Wang, a Substack publication with thousands of subscribers.

weightythoughts.com

Weighty Thoughts | James Wang | Substack · Sep 08, 2026

GENERATIVE AI AND FOUNDATION MODELS

Why Is AI Bad at Writing?

And Why It’ll Likely Stay That Way—Em Dashes or Not!

BOOKSHOPAMAZON

Weighty Thoughts | James Wang | Substack · Jul 14, 2026

GENERATIVE AI AND FOUNDATION MODELS

Please Stop Citing ChatGPT and Claude

You’re Responsible for What You Say, Not Your Digital Tools

BOOKSHOPAMAZON

Weighty Thoughts | James Wang | Substack · Jul 03, 2026

ENTREPRENEURSHIP AND STARTUPS

America Turns 250. Its Biggest Companies Never Do—And That's Great!

AI is speeding up business turnover, which is exactly what the US is optimized for

UNITED STATESIRANMICROSOFTJOHN HALTIWANGER

Weighty Thoughts | James Wang | Substack · Jun 21, 2026

GENERATIVE AI AND FOUNDATION MODELS

Knowledge Agents: Beat Frontier Models with Better Structure

No Mythos, No Problem

USBARNES NOBLEBOOKSHOP

Weighty Thoughts | James Wang | Substack · Apr 29, 2026

ARTIFICIAL INTELLIGENCE AND MACHINE LEARNING

AI Dementia—Why Your Agent Gets Progressively Dumber As You Talk To It

What is context rot and how does it change how you should use AI

AMAZON