Record companies have been known to become apoplectic when advance copies of new releases given to critics wind up in the hands (and computers and MP3 players) of the public. Many companies have resorted to handing out self-destructing CDs and threatening critics with legal action if they distribute the music early. But the V2 label has come up with a unique way to prevent advance copies of the highly anticipated new White Stripes album from being converted to tradable computer files: they put it on vinyl.