HOLLYWOOD, Calif. — Massive lines snaked along Sunset Boulevard and around the historic Hollywood Palladium, stretching to the palm-dotted horizon. Eager fans waited to enter the resplendently decorated exhibition space to chat and pose with their favorite adult stars, try out new content delivery technologies, catch screenings of the latest lauded movies and immerse themselves in X3, the world’s largest creator expo, which kicked off Friday, Jan. 13.