Jane and Michael Stern have commented more than once that a sign of Roadfood is giant images of the food served. For example: This pierogi is complicit in its own destruction.
Other websurfing today introduced me to the Suicide Food, devoted to pointing out the creepy side of such signage. It particularly looks at things from a feminist viewpoint--and yeah, there's some really creepy stuff there, particularly the stuff with the "sexy" tag. I'm not actually sure I want to look at this too much.
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