Above that are Tsar Bomba, small asteroid, large asteroid, and antimatter bomb. If events get much more shocking, then we go up to disastrously-located black ho

Above that are Tsar Bomba, small asteroid, large asteroid, and antimatter bomb. If events get much more shocking, then we go up to disastrously-located black holes and self-replicating berserker swarms. After that, I guess all that's left is the ultimate menace of a superintelligent and profoundly alien AI that cares only about maximizing the number of paperclips in the universe. What I'm saying here is that Michael Arrington has plenty of room left for hyperbole, even now.