Commonwealth Bank last month launched Commbank Connect; an in-house Retail Media Network. It will sell ads on 2,000 digital screens it will build inside and outside it’s 600 branches across the country as well as on its website and in its app. Woolworths Group, Coles Group and Chemist Warehouse are the Retail Media Network leader in Australia. CBA's already signed Qantas and Myer and will use de-identified payments data from 7 million customers to create targeted advertising segments.