Unit of Omnicom Group Inc. (OMC), Diversified Agency Services (DAS), acquired the U.K. based design and communications agency, The Core. Part of Diversified Agency Services (DAS), Adelphi Worldwide, partnered with Face to Face GmbH, Cologne-based healthcare communications agency, to enhance its market research and strategic communications. In addition to the above, Adelphi has recently acquired U.K.-based Excerpta [...] (OMC) Omnicom Group Aquires Communications Agency The Core