When, while sitting in Urban Affairs class, your professor talks about people in the 60's thinking that people of today would have robots, and your professor then going on to say no one today has their own robots.
You all know where I'm going here
ALSO
When someone's Facebook status is "no1 can hang =(", besides you getting mad about the grammar, the first thing you think of is commenting "what about [insert 20+ teams here] just from [insert region here] alone?!" only to then realize that he doesn't do FIRST and would thusly be confused.