Brand MarketingNielsen Ends 90-Day Relationship with AgencyBy Adweek Staff|December 13, 1993ShareBy Adweek Staff|December 13, 1993ShareNORTHBROOK, ILL. – Nielsen Marketing Research has ended its relationship with Slack, Brown & Myers, Chicago, three months after hiring the agency. A Nielsen spokeswoman said the agency was ‘terminated’; the agency said its 90 -day consulting contract simply expired. Nielsen said it has not decided whether to reopen a review for its estimated $1 million account or hire one of the other agencies that participated before. They include Arian, Lowe, Travis & Gusick and Bozell, both Chicago, and Fallon McElligott, Minneapolis.Copyright Adweek L.P. (1993) Adweek Adweek