A Picture is Worth 1000 Lines of Code
summary
Claims that drawing paper and pen first pass then transferring diagrams to diagrams.net, Lucidchart, Mermaid or FigJam exposes missing async calls, waiting states, error codes, back/cancel navigation and platform differences; captures onboarding/login flows, retry and cancel paths, and a checklist on GitHub. Teams use these interaction diagrams to reduce rework that otherwise forces rewriting hundreds or even a thousand lines, improve API error handling coordination, and measurably tighten estimates.
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chapters (15)
- 0:00Introduction
- 1:50Talk overview
- 2:32Poor communication costs
- 7:29Picture beats code
- 10:18Building interaction diagram
- 15:59Capturing screens and paths
- 18:48Back and cancel flows
- 21:15Async operations and states
- 24:02Errors and retries in diagrams
- 26:11Filling gaps and questions
- 28:56Collaborating with stakeholders
- 31:47Refining diagram with team
- 32:07Real-world impact
- 35:18Best practices
- 37:22Q&A
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