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Google removes 175 million ads in South Korea using AI tools

Google removed 175.5 million ads that broke its policies in South Korea in 2025 as it stepped up enforcement using its AI model Gemini, and said more than 99% of offending ads were blocked before reaching users.

The company also suspended 326,000 advertiser accounts in South Korea, where copyright infringement was the top violation.

Globally, Google said it blocked or removed more than 8.3 billion ads in 2024 and suspended 24.9 million advertiser accounts.

🔗 Source: The Korea Herald

🧠 Food for thought

Implications, context, and why it matters.

South Korea is also policing Google’s business practices

  • South Korean regulators have reviewed Google’s wider conduct, beyond its own ad rules, and issued penalties tied to privacy breaches 1.
  • The Personal Information Protection Commission, South Korea’s data privacy regulator, fined Google 69.2 billion won (US$50 million) after it tracked online behavior for targeted ads without proper consent 1.
  • The commission said privacy rights were at risk, since over 82% of South Koreans using Google had permitted tracking of online activity 1.
  • A 2021 report said South Korea earlier fined Google US$177 million for abusing market dominance in the Android operating system market 2.

AI enforcement is shifting from banning actors to blocking ads

  • Google uses AI tools such as Gemini to move from broad actions like advertiser account suspensions to ad-by-ad enforcement 3.
  • Google put the drop in mistaken advertiser suspensions at 80% under this approach 3.
  • Experts call it an arms race, since AI-driven defenses help match the scale and speed of AI-generated scams 4.
  • The volume overwhelms human reviewers, so platforms increasingly rely on AI systems to counter other AI systems, experts said 4.

Recent Google developments

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