The landscape of the digital advertising market is undergoing a historic shift. According to projections from advertising research firm Emarketer, Meta Platforms is expected to surpass Google's parent company, Alphabet, in net advertising revenue for the first time this year, claiming the throne as the world's largest digital advertiser.On April 13, citing The Wall Street Journal, Emarketer estimated that Meta's net advertising revenue will reach $243.46 billion this year, exceeding Google's $239.54 billion. These figures are net of traffic and content acquisition costs, including the portion allocated to creators by Google.Analysts point out that the significance of this forecast lies in: it marks the first substantive challenge to Google's long-standing industry dominance, signaling that Meta's advertising business model has evolved from a follower to an industry benchmark.Reports indicate that the core force driving this shift is Meta's continued investment in artificial intelligence and short-video advertising. At the same time, Google's market share in the search advertising sector is facing erosion from multiple fronts, with its growth momentum clearly slowing. The divergent growth trajectories of these two companies are reshaping the competitive order of the entire digital advertising industry.<h2>AI-Driven, Meta Ad Growth Hits Record Highs</h2>Meta's robust performance in advertising is built on the commercial breakthrough of its short-video product, Reels, and the deep empowerment of artificial intelligence technology.Data from Emarketer shows that Meta's global advertising revenue growth rate is expected to rise from 22.1% in 2025 to 24.1% this year. Analysts note that such accelerated growth is particularly rare—typically, larger platforms find it harder to maintain high growth rates, yet Meta defies this convention with a speeding-up trend.Reels is a key engine of this growth wave. Meta stated that its AI recommendation system increased US users' Reels watch time by over 30% year-over-year in the most recent quarter. Longer watch times translate to more opportunities for ad impressions. Previous reports suggest that Reels could generate up to $50 billion in revenue over the next 12 months.Max Willens, a lead analyst at Emarketer, believes that Meta demonstrates &#34;rare patience&#34; in product monetization—whether for Reels, the microblogging platform Threads, or the messaging tool WhatsApp, Meta chooses to cultivate user habits first, introducing ad monetization only after user scale and stickiness mature. This strategy is now yielding returns.The impact of AI extends beyond content recommendation; it is also changing how advertisers create content. Meta disclosed that the revenue run rate for its video generation tools reached $10 billion in the fourth quarter. However, this AI-driven growth offensive comes at a high cost—Meta's capital expenditures are projected to reach as high as $135 billion this year.<h2>Google Under Pressure, Search Moat Shows Cracks</h2>Google's advertising empire spans search, YouTube, and third-party network ads, but multiple pressures are simultaneously eroding its growth potential.Emarketer forecasts that Google's global advertising revenue growth will remain flat at 11.9% this year, standing in sharp contrast to Meta's acceleration. In the core search advertising market, Google's US market share is expected to drop to 48.5%, marking the first time in over a decade it falls below 50%.Share losses come from multiple directions: Amazon leverages the inherent traffic advantages of its e-commerce platform to continuously capture product search ad budgets from Google; meanwhile, AI companies like OpenAI and social media platforms like TikTok are expected to further reshape the search market landscape in the coming years.Google's highly diversified business model also constrains advertising revenue growth to some extent. While YouTube Premium subscription services generate billions in subscription revenue, many paying users no longer encounter ads, creating a structural gap in ad monetization.Notably, despite the reshuffling of industry rankings, the overall concentration of the digital advertising market continues to rise. Emarketer predicts that the combined market share of Meta, Google, and Amazon will increase from 59.9% last year to 62.3% this year, further solidifying the oligopolistic structure.

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According to advertising research firm Emarketer, Meta's net advertising revenue is projected to reach $243.46 billion this year, surpassing Alphabet's $239.54 billion for the first time and claiming the title of the world's largest digital advertiser. The growth is driven by AI-enabled technology and commercial breakthroughs in short-video Reels, with Meta's ad revenue growing at 24.1%. Meanwhile, Google faces significant headwinds from competitors like Amazon and AI-driven search, leading to a marked slowdown in its growth momentum

- The digital advertising market is experiencing a historic shift, with Meta Platforms projected to surpass Alphabet in net advertising revenue for the first time, reaching $243.46 billion compared to Google's $239.54 billion.  
- This change indicates a significant challenge to Google's long-standing dominance and underscores Meta's transformation into a leading industry standard, driven by advancements in AI and short video advertising.  
- Despite this shift, the overall concentration in the digital advertising market continues to rise, with Meta, Google, and Amazon expected to account for 62.3% of the market share this year.

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Global Digital Advertising Leader May Change Hands: Meta Expected to Surpass Google for the First Time