In this episode of What Just Happened, host Christine Russo sits down with Dr. Mark Grether, SVP and GM of PayPal Ads to discuss how the fintech giant is redefining the commerce media landscape.

Here is why you should tune in:

Grether explains the core differentiator of PayPal ads: the Transaction Graph. Unlike retail giants like Amazon or Walmart, which only see what you buy within their own ecosystems, PayPal leverages horizontal data from 400 million consumers and 30 million merchants globally. This provides a unique "single source of truth" for consumer behavior across the entire web.

• Precision Identity: Grether details how PayPal uses its 20-year history of fraud prevention and financial security to provide an identity layer that is significantly more accurate than standard industry players.

  
  

• The Evolving Shopping Funnel: Russo and Grether explore how the traditional path to purchase is shifting. Grether notes that consumer journeys are increasingly starting on LLMs (Large Language Models) rather than traditional search engines.

  
  

• Turning Content into Commerce: Learn about PayPal’s goal to make every digital engagement—whether on CTV, the open web, or within an LLM—a shoppable moment.

  
  

• New Announcements: Grether breaks down major new partnerships with platforms like Magnite, PubMatic, and Warner to bring curated, measurable ad campaigns to the market.

  
  

As the commerce media industry matures beyond "sponsored listings," Grether argues that the industry must join forces through standardization to survive. Whether you are a brand leader trying to justify spend to a CFO or a tech enthusiast curious about the future of AI-driven shopping, this conversation offers a roadmap for the next era of digital advertising.