It might be worth noting that even if the LHC does do something that causes the world to be destroyed, it might be a rather slow destruction that could take a few years to complete, so that's not entirely an empty promise...
Damn! I had counted on it being completely empty. Well, no backing out of it now. My offer stands!
As we did last year, use this thread to make predictions for the next year and next decade, with probabilities attached when practical.
Happy New Year, Less Wrong!