On X: WalterAIBuilder
Growth Engineer · AI Builder · Indie Hacker
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Essays on growth systems, advertising, AI-assisted development, and product experiments.
AI Bubble or Expectation Decay?
Sep 29 2026
14 min
Sep 29 2026
14 min
Why I Built Iris, and Why I Paused It
Sep 23 2026
17 min
Sep 23 2026
17 min
Tokens Are Cheap Now. What Comes Next?
Sep 11 2026
19 min
Sep 11 2026
19 min
From Prompt to Token, and Finally to Yourself
Aug 28 2026
10 min
Aug 28 2026
10 min
Should AI Coding Be More Free or More Controlled?
Aug 21 2026
3 min
Aug 21 2026
3 min
The AI Productivity Illusion
Aug 11 2026
10 min
Aug 11 2026
10 min