human
I've been hearing about the Y2K bug. What was that?
assistant
The Y2K bug was a term used to describe the potential for computer systems to crash due to the year 2000 problem. This was a problem caused by the fact that computers were using two-digit years, and so when they hit the year 2000, they would think it was 1900. This could cause all kinds of problems, including crashes, data corruption, and system failures.