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:
- Competition in the universal log-in space, with the launch of M-Login set to rival established players such as NetID.
- Apple announcing a new single sign-on (SSO) to rival Google and Facebook.
- Salesforce purchasing data visualisation company Tableau in an all-stock deal worth $15.7bn (£12.34bn).

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