24-Hour Chain Pays Local Merchants to Advertise Overnight on Their Security Gates

Win-win for rival shops

Delis, grocery stores, liquor marts and bakeries in Bogota, Colombia—most which close at 8 p.m.—agreed to advertise for one of their competitors, Carulla, by turning their late-night security shutters into billboards for the 24-hour supermarket chain.

@DaveGian davegia@hotmail.com David Gianatasio is a longtime contributor to Adweek, where he has been a writer and editor for two decades. Previously serving as Adweek's New England bureau chief and web editor, he remains based in Boston.