for its E*TRADE Superbowl ads with the tagline "Don't Get Mad, Get E-Trade".. In 2022, KFC has named MullenLowe as the brand's creative agency of record. Notable clients past and present References External links Advertising agencies of the United States Interpublic Group Companies based in Boston Companies based in Essex County, Massachusetts Economy of Detroit Economy of Pittsburgh Economy of Winston-Salem, North Carolina 1970 establishments in Massachusetts American companies established in 1970