- Rule of Three
- The Principle of Least Power
- The Pit of Success
- Priority of Constituencies
- Pave the Cowpaths
- Choose Boring Technology
- Conway's Law
- Goodhart's Law
- xkcd on automation
- Inclusive Design - the persona spectrum (page 22 of this PDF)
- Double Diamond / Mobius Loop
- Socio-technical systems
- Orchestration vs. Choreography
- Consumer-Driven Contracts
- What is Abstraction? (video)
- Should design systems include problematic components and patterns?
- The XY Problem / Five whys