text: U2 sees iPod TV spots as synergy, not sellout (USATODAY.com) USATODAY.com - Uno, dos, tres, CATORCE! The TV quakes as a euphoric punk holler, stabbing guitar and muscle-bound rhythms roar over convulsive images of rock stars in silhouette. The iPod ad touting U2's Vertigo  isn't your father's Oldsmobile commercial, but it is a commercial, and that's stirring debate among rock 'n' roll old-schoolers and within the band's vigilant following.