I'm not too 'active' but I'm a member of my undergrad's alumni association. We have a meetup group that sees games downtown. I try to make it to at least one game. My license plate on my car does spell out my school name and I have a school magnet on my car. I'm a bad alumni considering my car looks like I should be really active... but I'm not. Coworkers think I watch all the games and are a bit disappointed that I don't.