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Playbook Sep 03, 2025 · 6 min read

AI Set to Transform Ad Buying, Impacting Marketers

Discover how AI's rise in ad buying will reshape strategies for CMOs and media buyers.

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The AdRes Team
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AI Set to Transform Ad Buying, Impacting Marketers

The Wall Street Journal reports that artificial intelligence is poised to dominate ad buying, regardless of marketers' preferences. This shift is driven by the increasing complexity of digital advertising and the need for more efficient, data-driven decision-making. As AI technologies become more sophisticated, they are expected to handle a significant portion of ad buying tasks, from audience targeting to budget allocation. This development raises important questions for marketers: How will AI impact their strategies? What skills will become essential in this new landscape? And how can they prepare for a future where machines play a central role in ad purchasing decisions?

Analysis

The rise of AI in ad buying is not just a theoretical possibility; it's already happening. According to a 2023 eMarketer report, AI-driven ad buying is expected to account for 73% of all digital ad spending by 2025, up from 42% in 2020. This rapid growth is fueled by the ability of AI algorithms to process vast amounts of data and make real-time decisions that humans simply can't match. For example, Google's Performance Max campaigns use AI to automatically place ads across its network, optimizing for conversions. Similarly, Amazon's advertising platform relies heavily on machine learning to target shoppers based on their browsing and purchase history.

The implications for advertisers are profound. CMOs and media buyers will need to adapt their strategies to work alongside AI, rather than against it. This means focusing on providing high-quality data to feed AI algorithms, as well as developing new skills in areas like machine learning and data analytics. It also means being prepared for a shift in the types of jobs available in the industry, with a greater emphasis on roles that involve managing and interpreting AI-driven insights.

One concrete example of this shift is the growing use of AI for audience targeting. According to a 2022 study by Nielsen, AI-driven targeting can increase ad campaign effectiveness by up to 30%. This is because AI can identify patterns and correlations in consumer behavior that humans might miss, allowing for more precise targeting and better ROI. For instance, a retailer using AI might discover that customers who purchase running shoes are also likely to buy sports nutrition supplements, leading to more effective cross-selling campaigns.

However, the rise of AI in ad buying also raises concerns about transparency and control. As machines make more decisions, marketers may find it harder to understand exactly how and why certain ads are being shown to certain audiences. This lack of transparency could lead to issues with brand safety and ad fraud, as well as a loss of trust among consumers. To address these concerns, advertisers will need to demand greater transparency from AI providers and work to develop standards for AI-driven ad buying that prioritize consumer privacy and brand integrity.

In addition to these strategic considerations, advertisers will also need to think about the practical implications of AI-driven ad buying. This includes questions about budget allocation, as AI may recommend different spending patterns than human marketers. It also involves rethinking the role of creative in ad campaigns, as AI can generate and test multiple ad variations in real-time, potentially reducing the need for traditional creative teams.

AI-driven ad buying is expected to account for 73% of all digital ad spending by 2025, up from 42% in 2020.

The AdRes view

At AdRes, we recognize the transformative impact of AI on ad buying. Our suite of AI-driven tools, including Prometheus for campaign planning, Odin for budget allocation, Athena for creative performance prediction, and Indra for real-time analytics, are designed to help marketers navigate this shift. By leveraging these tools, advertisers can gain a competitive edge in the AI-driven ad buying landscape, ensuring they stay ahead of the curve and continue to deliver effective, data-driven campaigns.

The takeaway

The rise of AI in ad buying presents both opportunities and challenges for marketers. By embracing AI and developing the necessary skills and strategies, CMOs and media buyers can position themselves for success in this new era of digital advertising. The key takeaway is clear: those who adapt to AI-driven ad buying will thrive, while those who resist may find themselves at a disadvantage.

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