Background: IAB UK is the trade body for the digital advertising industry. Our members include Google, Facebook, Twitter and Amazon, media brands including The Guardian, News UK and Bauer and ad tech companies such as AppNexus. Our role is to bring the industry together with our 1,200 members, including media owners, agencies and brands. Our aim is to build a sustainable future for digital advertising and we exist to help simplify and explain an often over-complicated industry. We are a trusted...