Inheriting a massive, 20-year-old C# codebase sounds like a tech-debt horror movie. But what if customer logs weren't a nightmare, but a time machine?

In this talk, we’ll fast-forward past the frustration and explore how to actually enjoy troubleshooting legacy systems. You’ll learn how to write future-proof logs that are effortlessly searchable, leverage modern AI to analyze mountains of data without losing your sanity, and build custom tooling to visualize exactly what happened on the customer’s side. Stop dreading the past—learn to master it, one log line at a time.