IAB Europe has released its full 2018 AdEx Benchmark Report; the definitive guide to advertising expenditure in Europe, with this study covering 28 markets. Whilst the topline results from the research study were announced at the IAB Europe Interact event in Warsaw in June, the full 80+ page report allows for a far deeper study into the factors influencing market growth. This includes the impact from the introduction of the GDPR, as well as format trends for display, video, social, mobile...