This totally just happened:
Me, checking twitter, I see that the Giants and the Patriots are playing in the Super Bowl this weekend. I turn to a friend, R...
me: Hey, I didn't know the Giants made the Super Bowl, that's cool. Like a total east coast versus west coast thing.
R: *blank stare*
me: You know, how there both on the coasts.... away from each other.... [I'm making hand gestures to help him.]
R: Yeah, except they're in neighboring states.
me: Wait, I thought the Patriots were on the east coast somewhere.
R: They are.
me: And the Giants are in San Francisco.
R: New York.
A pause while I take this in, a confused look on my face...
me: It's not the San Francisco Giants?
R: That's baseball.
I'm usually faking being sports dumb, but apparently closer to the truth than I thought it was.