Meta, Alphabet, Amazon, and Microsoft collectively earned more than $150 billion in advertising revenue during the first quarter of 2026. The figure, which translates to roughly £73.85 billion, captures a quarter in which artificial intelligence features drove search volume higher even as individual click-through rates fell, independent publishers continued losing ground, and one of the world's largest agency holding companies began running live media buys through AI agents that bypass traditional ad tech intermediaries entirely.

Those are the three stories ExchangeWire's MadTech Podcast unpacked on May 8, 2026, with host Grainne Reid, COO Lindsay Rowntree, and Head of Content John Still working through earnings data, a major generational news consumption study, and a disclosure from Omnicom that landed alarm bells across the programmatic supply chain.

The numbers came alongside a separate study on generational news consumption habits and a significant disclosure from Omnicom - three threads that, taken together, describe the same underlying pressure on independent media and the companies that have historically sat between advertisers and publishers.

The revenue breakdown

Alphabet generated the largest share of the combined total. The full Alphabet Q1 2026 results, reported on April 29, 2026, showed consolidated revenue of $109.9 billion - up 22% year-over-year and the company's 11th consecutive quarter of double-digit consolidated revenue growth. More than $87 billion of that came from advertising, driven primarily by Google Search and YouTube. Google Search and Other grew 19% to $60.4 billion. YouTube advertising brought in $9.88 billion, an 11% increase.

One line moved in the opposite direction. Google Network revenue - which covers AdSense, AdMob, and Ad Manager, the products that place ads on third-party websites and apps - fell 4% year-over-year to $6.97 billion. That decline, as PPC Land has tracked consistently through 2025 and into 2026, functions as a proxy for the financial health of the distributed publisher ecosystem outside Google's own properties.

The mechanism is structural. AI Overviews, which now serve more than two billion monthly users, generate answers directly within Google's search results page. Users who receive a satisfactory answer inside the search interface have reduced incentive to click through to the external website that produced the underlying content. Fewer visits to external websites means fewer ad impressions served through AdSense and Ad Manager, which means lower Network revenues. The podcast noted a 5% decline in AdSense revenue specifically. "A decline in that signals kind of a concern for the open web," Rowntree said. "The mid to long tail is getting more and more squeezed and there's kind of fewer opportunities for them to get revenue."

Yet paid search revenue grew 31% during the same quarter. That apparent contradiction resolves when the scale of new query volume is factored in. Rowntree attributed the paid search strength directly to AI: "AI overviews were increasing their search revenue," she said, noting that query volume appears to be running roughly 20% higher as a direct result of the feature. Queries are up; individual clicks per query are down; the net result, particularly for commercial intent searches, is more total clicks and higher revenue. Google is also testing embedded ads inside AI Overviews across 12 markets including the United States, Canada, Australia, Kenya, Indonesia, and others. If expanded at scale, that monetisation layer would sit directly inside the AI-generated answer rather than alongside it.

Meta posted $55 billion in advertising revenue for the quarter. The full Q1 2026 results, announced on April 29, 2026, put total revenue at $56.31 billion, up 33% year-over-year. Ad impressions rose 19% and the average price per ad increased 12%. The podcast pointed to the significance of both metrics moving simultaneously upward: more users available to advertise to, and higher prices for each impression. Meta raised its full-year 2026 capital expenditure forecast to $125-145 billion, citing higher component costs. The company has also undergone what Rowntree described as "a complete reworking of how their ad engine operates kind of under the bonnet" - referring to the Adaptive Ranking Model and the broader AI ad stack now central to its delivery infrastructure. Over 8 million advertisers are now using at least one of Meta's AI ad creative tools, up from 4 million at the end of 2024, according to the earnings call transcript.

Amazon earned more than $17 billion in advertising revenue during the quarter. According to PPC Land's detailed Q1 2026 Amazon analysis, the advertising services segment generated $17.2 billion, growing 24% compared with $13.9 billion in Q1 2025. That growth rate is higher than the 22% the segment posted in both Q2 and Q3 2025, and higher than the 23% recorded in Q4 2025. Amazon's trailing twelve-month advertising revenue has crossed $70 billion. On the podcast, Rowntree noted that Amazon's strategic goal extends well beyond its own retail environment: "Amazon are really kind of gunning to be the biggest DSP, and they don't want it to just come from within their own ecosystem." Still agreed. "Amazon is obviously absolutely one to watch when it comes to ad revenue," he said, "because that's not the first thing you think about when you think of Amazon."

Microsoft did not disclose an exact advertising revenue figure for the quarter. According to the podcast, analyst estimates place its contribution at around $5 billion, with the company's own disclosure showing search and advertising revenue up 12% year-over-year.

The squeeze on independent publishers

Still described the AdSense decline as crystallising everything discussed across recent months about the power of the walled gardens. "The open web is going to take a little battering there," he said on the podcast. "It just kind of brings together and crystallises everything we've spoken about over the last few months in terms of the power of the wall gardens." He added that Meta's 33% growth still gave him pause: "It still surprises me that there's such growth in advertising on these things and it is just the unprecedented and unmatched reach and scale they offer like advertisers."

Rowntree was direct about the trajectory for publishers outside those platforms. "I think that it will continue to decline," she said of AdSense. "Every single publisher has to think about new ways of getting revenue. Traffic is no longer going to be the way to do it." The options she described included events, subscriptions, and visibility optimisation for large language model outputs - reflecting a structural shift in which the traditional traffic-to-ad-revenue model no longer holds for mid-to-long tail sites.

The 4% fall in Google Network revenue is not an isolated data point. As PPC Land documented following Alphabet's Q2 2025 earnings, Network revenue declined 1% year-over-year to $7.4 billion in that earlier quarter, with Google's advertising revenue distribution having reached a point where 90% of revenues flow to the company's owned properties. That proportion represents a historic high. Research published in December 2025 documented that AI Overviews correlated with a 58% reduction in click-through rates for top-ranking pages - nearly double the 34.5% reduction measured in April 2025. Every query resolved by AI Overviews without a click-out is a transaction that generates revenue for Google's owned surfaces and reduces the supply of impressions available to third-party publishers monetising through AdSense, AdMob, and Ad Manager.

The UK ad market grew 6.4% to £46.7 billion in 2025, but two of every three pounds now flows to Google, Meta, and Amazon. The same structural concentration visible in Q1 2026 earnings data shows up at the national advertising market level too.

How teens and adults consume news differently

The second topic in the May 8 episode concerned a research report released in April 2026 by the AP-NORC Media Insight Project. Titled "The Evolving News Landscape Comparing Media Habits and Trusts Between Teens and Adults," the study was based on a nationally representative survey of more than 2,000 respondents, including teenagers as young as 13.

The findings describe a fractured media ecosystem. According to the podcast, 57% of teens get news from social media daily - making teens the only age group where social media is the majority news source. Among adults aged 65 and older, 74% rely on television for their news. Influencers and independent creators have emerged as a major information source across age groups: 81% of teens and 57% of Americans overall get news from influencers, according to the study.

Teens aged 13 to 17 are more likely than adults over 65 to get local news from local influencers or independent creators, while adults 65 and older are more likely to rely on local TV, radio, and newspapers. When it comes to hard news - politics, social issues, the economy - only 12% of teens qualify as avid consumers, compared to 35% of adults 65 and over.

Rowntree highlighted one finding that cut against assumptions about younger audiences and trust. Teens are not simply gravitating toward whoever has the most followers. "They're looking at authority over followers," she said on the podcast. "They need to look at if it's sponsored and they need to look at if it's verified and it has authority. And that's what makes them trust it as a news source." She argued that behaviour plays well for established news organisations publishing on social platforms - outlets with recognised verification markers may hold credibility advantages that raw follower counts alone cannot replicate.

Still noted the rise of local news influencers as a positive signal. "Love the local news angle," he said on the podcast. "The rise of the re-rise of local news can't come quick enough for me." He framed trust as the central dynamic: "We're in an era where that authenticity is really needed and necessary now, like trust's been eroded. Big news is massive and it's daunting, but local news actually gets to the heart of what people need in their communities."

The research covers a US context, though the panellists suggested the dynamics likely apply internationally, with regional variations around the role of public broadcasters. Still observed that industry conversations tend toward a London-centric, youth-centric frame that can miss a broader reality. "We've got a much older, more affluent audience who are still using the different channels that perhaps you don't expect," he said. "There's room for the broad sheets. There's room for tabloids. There's room for BBC news at 6pm, as well as there is older generation TikTokers."

The relevance to the marketing community is direct. A research report that maps news consumption across age groups from 13 to 65-plus provides advertisers and agencies with a more granular picture of where different demographic segments actually encounter information, and by extension, where paid and earned media can intersect with credibility rather than work against it.

Omnicom runs live media buys through AI agents

The third story in the May 8 episode carries the most immediate structural implications for the ad tech industry. Omnicom revealed the previous week that it has been testing AI agents to carry out live media buys for several clients. The agents automatically purchase advertising inventory directly from publishers, cutting out demand-side platforms, supply-side platforms, and other intermediaries that typically sit between advertiser budget and publisher impression.

Omnicom CEO John Wren stated on the company's earnings call that shortening the path between Omnicom and publishers is a strategic priority. He described the ad tech layer as a toll paid ultimately by the client and called the existing infrastructure a "messy middle." As PPC Land reported on April 29, 2026, Omnicom confirmed live agentic media buys for several clients using the AdCP agent-to-agent framework - the Ad Context Protocol developed by Scope3 and others to allow AI agents from advertisers, publishers, and ad tech systems to communicate, negotiate, and execute ad deals with minimal human intervention.

This is not a theoretical exercise. On the podcast, Rowntree confirmed that real budget is moving through the system: "There's legitimate media budget being spent through it and actual kind of results and campaigns happening. So it's happening, it's real." She noted that Wren "doesn't seem that keen on ad tech" - a point tied directly to his public framing of intermediaries as a cost absorbed by clients. Still described the development in plain terms: "Agency direct to publisher without the use of DSP or SSP is like, it is gonna sound some alarm bells, I think."

Omnicom reported $5.6 billion in revenue from core operations in Q1 2026, up 6.7% year-over-year with 3.9% organic growth, in the first full quarter after its acquisition of IPG.

The agentic advertising ecosystem has been developing rapidly since late 2024, with IAB Tech Lab publishing an Agentic RTB Framework, forming a Programmatic Governance Council on April 21, 2026, and multiple supply-side platforms launching agentic transaction capabilities. PubMatic launched its AgenticOS with live campaigns running in January 2026. Amazon launched a closed beta for a Model Context Protocol Server enabling AI agent advertising integration in November 2025. The Ad Context Protocol itself has divided industry opinion, with some arguing the shift to agentic advertising is an inevitable structural transformation and others warning that more automation means less transparency.

The podcast discussion mapped out the diverging bets being placed across the industry. Omnicom's model bets that decisioning and intelligence sit at the top of the stack - near the agency - with the agent controlling what happens, who receives budget, and on what terms. Index Exchange's containerised DSP approach, which places infrastructure close to the supply source, represents the opposite architectural wager. "There's a world where both those could exist," Rowntree said, "but also there's a world where what Omnicom are doing is very, very interesting because it brings them even closer to the publisher relationship." But the Omnicom model raises a specific distributional question: agentic systems operating at the agency level will likely communicate with premium publishers and premium broadcasters first. Mid-to-long tail publishers, already squeezed by the AdSense decline documented in Alphabet's Q1 2026 results, may find themselves further excluded from a buying model that optimises for premium inventory at scale.

The transparency concern surfaced clearly in the discussion. "After all the talk of transparency over the last decade," Still said, "AI is to send us into a place where, no, it's like you give them this and it gets results. And we're just back to, yeah, the black boxes." The Performance Max analogy followed: when Google launched that product, some advertisers initially welcomed full automation, then requested more insight into where their budgets were going. Google subsequently opened controls and added reporting. Rowntree framed the client expectation plainly: "Clients do still want answers. Clients do still want to know what's exactly what's going on and why and how and what you're going to do about it."

Still also raised workforce implications. If AI agents handle campaign execution, the traditional agency role as a planning and buying shop changes substantially. "What does that look like for the rest of the ecosystem?" he asked on the podcast. The near-term framing - that automation frees teams for strategy - is familiar from earlier waves of programmatic development. Whether the longer-term outcome preserves human roles at equivalent scale is a more open question.

The structural picture

Three separate stories from one week of industry news connect through a single pressure point: who captures value as media consumption fragments, advertising automation accelerates, and the infrastructure of the open web becomes less central to how advertising budgets move from brand to audience.

The $150 billion Q1 figure is large enough that its growth rates are significant in absolute dollar terms. A 33% increase at Meta's scale, a 24% increase at Amazon's scale, a 19% increase in Google Search revenue - these are not marginal movements. They describe an advertising economy in which a small number of platforms have structural advantages in audience scale, first-party data, and AI capability that continue compounding. "It is a good time to be a walled garden," as Rowntree put it on the podcast.

The AP-NORC research adds context to why those advantages are durable: the platforms where teens and younger adults encounter news and information are the same platforms capturing the largest share of advertising spend. The alignment between where audiences spend time and where budgets flow is not accidental.

The Omnicom agentic media buying disclosure adds a further layer. If the agency holding companies most capable of running sophisticated agentic systems use that capability to transact directly with premium publishers, the middle of the market - independent ad tech, open web publishers, smaller agencies without the infrastructure to build comparable systems - faces pressure from multiple directions simultaneously.

Timeline

  • April 2025 - Ahrefs measures a 34.5% reduction in click-through rates for top-ranking pages as AI Overviews expand
  • July 23, 2025 - Alphabet reports Q2 2025 results; Google Network revenue declines 1% to $7.4 billion; PPC Land coverage
  • August 2025 - PPC Land documents Google's revenue distribution reaching 90% to owned properties for the first time in over a decade
  • September 10, 2025 - Adobe launches AI agents for marketing workflows; Omnicom among launch partners; PPC Land coverage
  • November 13, 2025 - Amazon launches closed beta for Model Context Protocol Server enabling AI agent advertising integration; PPC Land coverage
  • November 24, 2025 - Adthena becomes first platform to detect ads inside Google AI Overviews, at 0.052% frequency across 25,000 SERPs; PPC Land coverage
  • November 26, 2025 - Omnicom completes acquisition of IPG
  • December 19, 2025 - Google expands AI Overview ads to 11 additional countries; PPC Land coverage
  • January 5-10, 2026 - Agentic AI infrastructure dominates advertising week; PubMatic launches AgenticOS with live campaigns; PPC Land coverage
  • February 4, 2026 - Alphabet reports Q4 2025 revenues of $113.8 billion; advertising revenue reaches $81.5 billion; PPC Land coverage
  • February 6, 2026 - Amazon reports Q4 2025 advertising revenue of $21.3 billion, 23% year-over-year growth; PPC Land coverage
  • March 12, 2026 - Sorrell argues CFOs, not CMOs, will force AI adoption in agencies
  • April 2, 2026 - Adthena publishes AI Search Ads report drawn from 29.1 million queries, finding 35% year-over-year growth in AI ad auction competition; PPC Land coverage
  • April 9, 2026 - Amazon's 2025 shareholder letter devotes one sentence to its $68.6 billion advertising business; PPC Land coverage
  • April 21, 2026 - IAB Tech Lab forms Programmatic Governance Council with Omnicom, WPP, Dentsu, Disney, Amazon Ads, The Trade Desk, and others as founding members; PPC Land coverage
  • April 29, 2026 - Alphabet reports Q1 2026 results: $109.9 billion revenue, Search +19%, Network -4% to $6.97 billion; PPC Land coverage
  • April 29, 2026 - Meta reports Q1 2026 revenue of $56.31 billion, up 33%; advertising revenue $55.02 billion; PPC Land coverage
  • April 29, 2026 - Omnicom Q1 earnings call: CEO John Wren and Head of AI Paolo Yuvienco confirm live agentic media buys for several clients; PPC Land coverage
  • April 29, 2026 - Amazon reports Q1 2026 advertising services revenue of $17.2 billion, up 24%; PPC Land coverage
  • April 2026 - AP-NORC Media Insight Project releases "The Evolving News Landscape Comparing Media Habits and Trusts Between Teens and Adults," based on 2,000+ respondents
  • May 5, 2026 - AA/WARC Expenditure Report confirms UK adspend grew 6.4% to £46.7 billion in 2025; PPC Land coverage
  • May 6, 2026 - Guideline data shows top four DSPs hold 85% of global programmatic market share in Q1 2026; PPC Land coverage
  • May 8, 2026 - ExchangeWire MadTech Podcast episode covering Big Tech Q1 ad revenue, AP-NORC news habits research, and Omnicom agentic media buying

Summary

Who: Meta, Alphabet (Google), Amazon, Microsoft, and Omnicom are the central companies. ExchangeWire's MadTech Podcast - hosted by Grainne Reid with COO Lindsay Rowntree and Head of Content John Still - is the source publication. The AP-NORC Media Insight Project authored the news consumption study.

What: Four major technology companies collectively earned more than $150 billion in advertising revenue in Q1 2026. Alphabet led with more than $87 billion, Meta contributed over $55 billion, Amazon reported $17.2 billion (up 24%), and Microsoft added an estimated $5 billion. Simultaneously, Google Network revenue (AdSense, AdMob, Ad Manager) fell 4% to $6.97 billion, continuing a multi-quarter decline attributed to AI Overviews reducing external click traffic. A separate AP-NORC study found that 57% of teens get news from social media daily and 81% follow news via influencers, compared with 74% of adults over 65 who rely on television. Omnicom disclosed that it has been running live media buys through AI agents that purchase inventory directly from publishers without using DSPs or SSPs.

When: The Q1 2026 earnings reports were published on April 29, 2026. The AP-NORC study was released in April 2026. Omnicom's disclosure came during its Q1 earnings call on April 29, 2026. The MadTech Podcast episode covering all three stories was published on May 8, 2026.

Where: The earnings results cover global advertising operations. The AP-NORC study is nationally representative of the United States, surveying respondents from age 13 to 65-plus. Omnicom's agentic media buying tests have been conducted across several unspecified client campaigns. The MadTech Podcast is published by ExchangeWire.

Why: The Q1 results matter because they demonstrate that AI features are simultaneously expanding Google Search revenue and compressing the open web's share of advertising income - a divergence with long-term implications for independent publishers. For Meta and Amazon, AI infrastructure investments are translating into accelerated revenue growth that further concentrates digital advertising spend among a small number of platforms. Omnicom's agentic media buying disclosure signals that the structural role of programmatic intermediaries - the DSPs, SSPs, and ad networks that sit between buyers and sellers - is under direct challenge from agency-level automation. The AP-NORC data provides demographic context for why these structural shifts are durable: younger audiences are consuming media through the same platforms that are capturing the largest advertising budgets, reducing the incentive for that concentration to reverse.

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