I once walked up to a university helpdesk to get them to allow my wireless card's mac on the wireless network. I told them that I was using linux and they said

I once walked up to a university helpdesk to get them to allow my wireless card's mac on the wireless network. I told them that I was using linux and they said "that's OK, just open the internet". I hadn't heard that reference yet and it took me a few tries to figure out what they wanted.