Lean focuses on making it easy for people to do the right thing. We also work hard to “error proof” processes and our work to make it difficult, if not impossible to do the wrong thing. The Throwback Thursday portion of this post looks back at a time when American Airlines took my suggestion and made it harder to do the wrong thing: And here’s a good example of error proofing online: The other day, … Continue reading I Can’t Believe You Can’t “Undo” This Thing in Microsoft Excel