34: LIVE The Media Trust; AppNexus, A Xandr Company; G+J EMS

This week's edition of The MadTech Podcast was recorded in front of a live audience in Cologne, with special guests Matt O'Neill, General Manager, Europe, The Media Trust; Marius Rausch, VP & Managing Director Central Europe, AppNexus, A Xandr Company; and Daniel Gerold, Director, Digital Technology, G+J EMS, discussing latest news in ad tech and martech. On this week's episode: universal logins, Apple's new SSO and Salesforce buying Tableau for $15.7bn (£12.34bn).