The ‘Mad Men’ are dead! Long live the new advertising lions!

It’s been an unprecedented and brutal week for the advertising industry. The finalization of Omnicom Group’s $13 billion acquisition of Interpublic Group (IPG) (the biggest takeover in advertising history) is affecting tens of thousands of workers—most immediately the 4,000 expected to be laid off by the end of the year. Both Omnicom and IPG own many different ad agency brands, all of which will be profoundly impacted by the merger. Omnicom is retaining only McCann from the IPG roster...