has an article about The Three Major Movie Themes of 2008 and Twilight falls under the Name Makers. "And how could anyone forget Twilight? Love or hate the books, this was a year marked by the fevered obsession of teen girls everywhere, and the movie was an astonishing hit, making over $262 million as of this writing and likely catapulting star Robert Pattinson from C-list nobody to (at the very least) B-list star-in-the-making."
Source: Film.com