Ad pre-testing plays a central role in campaign effectiveness, making sure the ad creates an emotional connection, builds the brand, and meets sales objectives. But with media budgets shifting to digital, should brands simply rely on in-flight campaign optimisation to drive performance? In this episode, Duncan Southgate, Creative & Media Solutions Director at Kantar, talks with Robin Langford, Editor at Performance Marketing World and Leonie Gates-Sumner, Head of Creative, Kantar UK about ad testing, in-flight optimisation, the role of Artificial Intelligence, and how the performance marketing landscape will evolve into 2023 and beyond.