A.I. Agents Threaten Advertising as We Know It

For 25 years, advertising has depended on a simple habit: people look at screens. AI agents break that habit. If Muse, ChatGPT or Gemini start comparing prices, booking trips and paying on their own, the old moment when an ad gets seen starts to vanish. Harvard Business Review put the shift bluntly: the advantage is moving from owning user interfaces to being chosen by AI agents.

Meta is a useful sign of where this is headed, because advertising still makes up almost all of its revenue. Even so, the company is pushing Muse toward a different business model. The agent is free for a large number of tokens, and Meta says it expects to take a small fee from each transaction it completes. It is also selling Meta One, a subscription that unlocks more AI features across Facebook, Instagram, WhatsApp and Meta AI, starting at $2.99 a month.

Amazon has already shown that platform owners are not planning to sit still. It blocked Meta’s Muse from its store, citing security and the need for third-party shopping apps to operate openly and respect platform decisions. But the commercial logic is obvious enough: Amazon’s advertising business recently brought in about $68 billion, or roughly 10 percent of revenue, and an agent that heads straight to checkout skips sponsored products entirely. The company is also in court with Perplexity over its shopping agent.

Media companies are feeling the shift too. Chartbeat data, as analyzed by the Reuters Institute, shows Google traffic to more than 2,500 news sites fell by a third worldwide in a year, and by 38 percent in the United States. The executives surveyed expect another 43 percent drop over the next three years. That is a brutal number for any business that sells attention. Fewer visits mean fewer ad impressions.

And yet the ad machine is not dead. Google’s search advertising grew 17 percent in the second quarter, and Alphabet says AI Mode in Search has more than one billion monthly users. OpenAI says ads in ChatGPT have already reached an annualized revenue run rate of $1 billion in fewer than 200 days. For now, most shoppers still keep the last word, and that leaves room for ads inside assistants, especially early in the buying process.

The real battle is over who gets paid and where. Some players are leaning on subscriptions, others on commissions, and some on payments for results. Google’s Universal Commerce Protocol, Shopify’s open catalog interface, OpenAI and Stripe’s Agentic Commerce Protocol, Visa’s Trusted Agent Protocol and Yahoo’s Ad Context Protocol all point in the same direction: commerce is becoming machine-readable, and the ad slot is moving with it.