Archive - Signal Thinking

Why Your PRD Isn’t Working for AI Development

The Specification Pyramid Framework

Oct 5 •

Robert Evans

September 2025

The Tool Isn’t the Problem. The Lack of Pressure Is.

Tools give comfort. Pressure gives clarity. Here’s why I stopped hiding behind one and built the other.

Sep 11 •

Robert Evans

August 2025

#nojs-banner { position: fixed; bottom: 0; left: 0; padding: 16px 16px 16px 32px; width: 100%; box-sizing: border-box; background: red; color: white; font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"; font-size: 13px; line-height: 13px; } #nojs-banner a { color: inherit; text-decoration: underline; } This site requires JavaScript to run correctly. Please turn on JavaScript or unblock scripts