After the huge opening of "Twilight" over the weekend, the rest of the world is realizing what we've known for some time: There's no stopping the Twilighters. During the past year, fans have weighed in on the trailers, the exclusive clip on the Movie Awards preshow, and the cast's appearance on the Video Music Awards, all on MTV's YouRHere site — and now that the film is finally here, of course they've taken their reactions online.