Nestle USA is reviewing its media and digital planning and buying in an effort to control costs and tie advertising directly to sales, according to this article. ZenithOptimedia is the incumbent. Labels under the Nestle USA umbrella include DiGiorno, Stouffer's and Lean Cuisine, as well as the branded water, pet care, nutrition and professional divisions. "The review will likely mark the beginning of an exhaustive look at all of the company's agency relationships," writes E.J. Schultz.