Comment 12 Factor (Score 1) 101
This is "ok" at best, but I'd prefer a more practical guideline, and for that Adam Wiggins' 12 Factors are a much better place to start for scalable web systems: http://12factor.net/
If it happens once, it's a bug. If it happens twice, it's a feature. If it happens more than twice, it's a design philosophy.
