The book "Subliminal Seduction" held that the letters "S-E-X" were faintly airbrushed into ads, and the Rube found that he too could see them if he looked hard enough. But the sequel claimed the letters were also baked into Ritz crackers, and though the Rube could see them there too, he realized it was just too ridiculous ... But what's the synergy of the labels on the model's face?