This week's The MadTech Podcast is a special episode recorded in front of a live audience in London, with special guests Nick Halstead, founder and CEO, InfoSum; Danny Hopwood, president, digital display EMEA, Omnicom Media Group; and Bedir Aydemir, head of audience and data, News UK, to discuss the future of identity.

In this week's episode:
- The Facebook way of doing data
- Criteo's latest earnings and what they say about the future of retargeting
- The opportunities and challenges of second-party data
- Redefining identity and how you manage it

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