Based on the context and the answer, generate a question. 

Context: Other than some tech issues , my talk today went well . I caught up with a couple of classmates I have n't seen in years . And , a video of this even is going to be put up on the department webpage , so if anyone is curious , you can pop in and check out my talk .

Answer:

Because they like those people and wanted to talk to them .



Why did the writer catch up with a couple classmates they had n't seen in years ?