GM está evaluando una forma más efectiva de hacer publicidad y ha enviado a las matrices de los principales cuatro holding mundiales — Omnicom, Publicis Groupe, Interpublic y a Cheil Worldwide — para optar a llevar la creatividad global de Chevrolet, según Adage. La medida se produce después de una revisión de la compra de medios – de unos 3000 millones de dólares.
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