The company laid out the case Tuesday at "Behind The Streams," an event held at the Grand InterContinental Seoul Parnas.
Citing its own 2025 survey, Netflix said 74 percent of viewers who saw ads on the platform later took a related action, such as searching for or buying a product.
Netflix also pointed to research from Kantar, the global market research firm, which found that traditional metrics such as reach and gross rating points showed a weaker link to brand impact, while viewer attention showed a correlation of more than 0.6 with brand effects.
"The advertising market is shifting from competing over how much exposure an ad gets to competing over how deeply it captures attention," said Lee Chun, director of advertising at Netflix Korea.
The pitch comes as Netflix's ad-supported tier continues to grow. Lee said 60 percent of new sign-ups globally are now choosing the ad-supported plan, giving advertisers a larger pool of viewers to reach.
At the event, Netflix showcased Korean advertising partnerships that tied brand messages to its shows and films.
The company is also expanding ad products, including single-title sponsorships and interactive video ads, alongside Netflix Ads Suite, its in-house ad platform launched in Korea last September to help marketers plan, buy and measure ad performance.
Netflix said it plans to launch advertising in 15 more countries in 2027, bringing its ad business to 27 markets.
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