Mullen lands more GM business (at bizjournals.com)

to handle its customer relationship management programs along with Detroit advertising agency Campbell-Ewald, Mullen said Thursday. Both agencies, which are owned by the advertising holding company Interpublic Group, participated in a review of the account which General Motors (NYSE: GM) conducted to consolidate the number of agencies working on the business. Billings for GM’s CRM business were not... [read full story]