Paris Hilton is no stranger to self-promotion. But when she asked DJs to play songs from her upcoming debut album, "Paris," last spring, she wasn't so confident. "People go crazy," the 25-year-old socialite/reality TV star/singer says in an interview in the September issue of Blender, on newsstands Tuesday. "They love it. Everyone's like, `Who is this?' I don't tell. Because I don't want someone putting their phone up and recording it and making a ring tone off of it. "I think when people don't know it's me, they won't judge it. But if they know it's me, then they'll be...