Effectiveness of contextual targeting whitepaper released by Roast and Teads

Digital performance agency Roast has partnered with inventor of native video advertising Teads to produce an in-depth study into the power of contextual targeting and the opportunities it holds for brands and advertisers post GDPR. 
The enduring effectiveness of contextual targeting whitepaper stated that, by using a carefully curated white list, contextual targeting can be run that will perform as strongly as a media buy using a third party data overlay. Using a complex rank