Providence Equity Partners Acquires Majority Stake in DoubleVerify; ViralGains & Peer39 by Sizmek Partner

ExchangeWire rounds up some of the biggest stories in the US/Canadian digital advertising space. In this week’s edition: DoubleVerify receives majority investment by Providence Equity Partners; ViralGains and Peer39 partner; Tapad and The Trade Desk partner; Semcasting Acquires Transparency AI; OpenX opens mobile SDK to general availability; and Isobar launches virtual reality platform.

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