196: Alexander Williams, M&S

<div>On this week’s episode of TheMadTech Podcast, Alexander Williams, head of growth &amp; personalisation at M&amp;S, joins ExchangeWire's Mat Broughton and Rachel Smith to discuss Netflix's industry-high CPM, industry bodies' fears over new political advertising policies from the EU, and Shopify warning sellers to avoid Amazon's "Buy With Prime".</div>