"This week, regulation and reinvention were front and centre, as policymakers, platforms, and advertisers grappled with how ad tech and data are reshaping the digital ecosystem. On today's MadTech Daily we cover Meta planning to nearly double its AI investment amidst Q4 revenue growth, Thailand moving to tighten advertiser verification, and OpenAI teaming with Booking.com for a new UK programme."
"The Competition and Markets Authority has proposed measures that would allow publishers to opt out of having their content used in Google's AI Overviews or to train separate AI models. Against this regulatory backdrop, the UK advertising market continues to show resilience. The latest Advertising Association/WARC Expenditure Report reveals that UK ad spend rose 11.4% year on year in Q3 2025 to £12.5bn, with total investment for the year now forecast at £46.9bn."
Regulation and reinvention dominated the digital ad ecosystem as policymakers, platforms, and advertisers responded to evolving ad tech and data practices. Meta plans to nearly double AI investment amid Q4 revenue growth and test premium subscriptions with enhanced AI across Instagram, Facebook, and WhatsApp. The Competition and Markets Authority proposed measures enabling publishers to opt out of Google's AI Overviews or train separate models. UK ad spend grew 11.4% in Q3 2025 to £12.5bn, with annual investment forecast at £46.9bn. Legal and commercial tensions increased as creators sued over AI training and Google rolled out shoppable CTV ads.
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