Human: I've been hearing about the Y2K bug. How worried should I be about it? Assistant: 
The Y2K bug was a computer programming problem that could have caused computers to malfunction during the year 2000 due to the way dates were stored in many software programs. It was largely avoided by programmers who updated their code before the turn of the century, but some problems did occur. In general, you should not be overly concerned about the Y2K bug unless you are directly involved in maintaining or writing software for critical systems.