Corporate Amnesia: What Happens When Your Team Forgets How Its Own Code Works

A few months ago, we had to change a small piece of logic. It sounded simple. A minor tweak. “Shouldn’t take more than a couple of hours.” Then someone asked: “Do we know how this actually works?” Silence. No one on the team had written that part. The last person who touched it had left. There was no documentation. Tests were… optimistic. What should have been a small change turned into a half-day investigation. Not because the problem was hard. Because the knowledge was gone. TL;DR Teams don’t