| | | | | | | Microsoft Retains Dentsu as Global Media Agency of Record After a Closed Review Tech giant spent $1.5 billion on marketing last year By Patrick Coffee Dentsu Aegis Network has succeeded in defending Microsoft's global media planning and buying business, which is one of its largest accounts. Multiple parties close to the matter told Adweek that the technology giant announced its decision earlier this week after a closed review first launched last December and initially reported by AdAge. Every major holding...
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