Starcom's Ad Deal for Kellogg's Hinges on Engagement†

Banner-Ad Campaign Based on Cost per Interaction

Advertising Age, April 21, 2008 — At a time when marketers are increasingly relying on engagement as a key metric of the success of an online ad campaign, Publicis Groupe media agency Starcom has brokered an online display-media deal based on cost per interaction rather than the more traditional metric of cost per exposure.