Legacy code is fear because we fear the unknown. Learn what you need to learn in order to be less scared about legacy code during this talk.
You are a programmer. Someone from the company comes with an idea to add a feature and they are sure this new feature is very easy to add. And it should be. But the code is old. The code is a mess. Nobody in the firm knows any more that part of the system. You need to change that ugly piece of code. You are afraid that you might introduce defects. Legacy code is fear.
Here are the slides for the talk Legacy Code is Fear: