Online ad exchange CPAX expands, re-launches

TORONTO and MONTREAL – The Canadian Premium Audience Exchange (CPAX) is re-launching and is adding three new partners.Quebecor Media, Channel Zero and Reader's Digest have joined existing partners CBC/Radio-Canada, Rogers Media, Shaw Communications, Corus Entertainment, Cineplex, V and Télé-Québec. The bilingual real-time bidding exchange service allows each media company to maintain their unique, direct sales operations with a portion of their inventory flowing directly into CPAX for bidding by private access buyers. Inventory is pooled amongst the companies' digital assets, enabling buyers to bid specifically on inventory targeted to their demographic, and agency partners have first access to bid on the inventory.According to...