Brains.  How do we eat them?  How do we use them?  Sometimes sharing innovative ideas is more important than human survival.

If you have ever watched a TED Talk, then you will get the joke right away.  Even if you haven't you should still see the funny.

If you don't get it at all, then you should know that this is completely serious and there are actual zombies having intellectual seminars at this very moment.  Seriously.