The Signal
Rui DiaoA former Google senior staff engineer's first-principles analysis of the tech that truly matters, finding the signal in the noise of AI, DeFi, and beyond.
| Platform |  | Pricing | Only free issues | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 26 | Subscribers | Read | ruidiao.substack.com |
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Latest Issues
Recent posts by this newsletter. Browse the email archive.
I Used AI to Make a Marketing Video. Here's What Happened
Yesterday, Google launched Lyria 3. I opened the Gemini app to try it, typed in a prompt, and 30 seconds later, I had a custom track. The music was genuinely good.
Workflow Engineering: How a Picture Fixed My AI Problem
I redesigned my personal website: ruidiao.dev. The new design has a Studio Ghibli-inspired aesthetic: soft sky gradients, floating clouds, parchment textures, hand-drawn borders. It looks warm and inviting.
The Social Network That Bans Humans Reveals AI’s Fatal Flaw
Last week, I discovered a social network that only allows AI agents to post.
Extending Claude Code with Custom MCPs
When I started using Claude Code more heavily, I ran into a problem. The built-in web tools work fine for most things, but I kept hitting walls. Web Search finds URLs, but it’s not great for news. Web Fetch retrieves content, but many websi...
Authors
The writers behind this newsletter.
Indie Creator | Ex-Google Senior Staff Software Engineer
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