If someone played their job visibly well, I give them a comm.

If someone had a name that made me laugh, I give them a comm.

I always hang around until duty's end to collect comms. I'm trying to hit 10,000 in the vain hopes they add another achievement for that point some day.

I am otherwise neutral about comms. They are like..... likes on a Reddit post. It's nice when you get them. Better than downvotes, anyway.