Our latest MadTech Podcast Special examines the future of the free and open internet. In this episode, ExchangeWire CEO Ciaran O’Kane interviews Konrad Feldman, CEO, Quantcast; Sophie Strong, Head of Display and Social, Wavemaker; and Terry Hornby, Group Digital Director, Reach, to get their perspectives on cookie-less advertising; the issue of measurement; first-party data; and preserving an open internet model.