Have you ever had someone spill a drink on your laptop? It happened to me once, and I got pretty angry. If only I'd had telekinetic powers...
This whole thing might just be a big promotional stunt for the new Carrie movie, but it's still pretty fun to watch.
(Via Matt Zoller Seitz, who makes the fair point that one of these days, a stunt like this is going to cause an actual heart attack...)