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Last month, mobile network operator U.S. Cellular named Leo Burnett as its lead creative agency, expanding its partnership with the agency while ending its relationship with MullenLowe.
MullenLowe took over the creative account in 2012, following a review that included incumbent Riney. Its work for the brand included a seven-hour pre-roll ad of grass growing in 2016.
“U.S. Cellular has had a rewarding and productive eight year relationship with MullenLowe and we are most appreciative of their contributions to our business within a demanding category,” a U.S.
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