Kakao's New Targeted Ad Service Sparks Controversy in South Korea's ICT Sector

Hwang Sujin Reporter

hwang075609@gmail.com | 2025-04-27 08:28:19

A new service from South Korea's leading mobile messenger app, KakaoTalk, has become a contentious issue even before its full launch. Dubbed "Friend Talk," this advertising message feature, currently in its beta testing phase since last month, has ignited a debate between traditional Short Message Service (SMS) providers and Kakao. The core of the dispute lies in the revised consent mechanism for receiving advertising messages, which SMS operators fear could lead to a surge in spam.

KakaoTalk currently offers two types of business messaging services: "Alert Talk" and "Friend Talk." Alert Talk allows businesses and public entities to send informational messages, such as public service announcements or hospital queue notifications, without prior user consent. Friend Talk, on the other hand, is an advertising product that requires users to have previously agreed to receive promotional content from specific businesses.

The traditional method for sending marketing communications via SMS, email, or KakaoTalk involves obtaining explicit "marketing opt-in" consent during service registration or through other means. KakaoTalk's updated Friend Talk service aims to streamline this process by allowing businesses to send advertising messages to users who have already provided general marketing consent, without requiring an additional layer of consent specifically for KakaoTalk.

This change has drawn sharp criticism from the Special Type Value-Added Telecommunications Messaging Service Providers Association, a group representing SMS aggregators and resellers. In a press release, the association voiced concerns that "if users who have agreed to receive advertisements during the initial registration process can receive KakaoTalk messages without separate KakaoTalk message consent, spam messages could proliferate." Given KakaoTalk's near-ubiquitous penetration rate of 99% in South Korea, lowering the barrier for sending advertising messages could incentivize businesses to flood the platform with promotional content.

Kakao, however, argues that the new system simply eliminates an unnecessary additional consent step. They point out that for SMS and email marketing, once a user provides general marketing consent, businesses can send promotional messages without requiring further confirmation for each channel. Previously, KakaoTalk uniquely required users to "friend" a business's KakaoTalk Channel to receive advertising messages, effectively acting as a second layer of consent. Kakao maintains that the update merely aligns its consent process with other established marketing channels.

Furthermore, Kakao downplays the risk of spam proliferation, asserting that its stringent certification process for Friend Talk messaging partners will prevent low-reputation businesses, often associated with spam, from utilizing the service. Kakao also highlights the user-friendly spam blocking features within KakaoTalk, allowing users to opt-out of receiving advertising messages with a single click.

Despite Kakao's assurances, the potential for a significant increase in advertising messages on the platform remains a valid concern, given KakaoTalk's attractiveness as a marketing channel for businesses. In response to these concerns, Kakao states that it will implement stricter criteria, such as requiring businesses to have a certain minimum number of opt-in subscribers before they can send Friend Talk messages. This measure aims to prevent users from being overwhelmed by excessive advertising.

The core of the conflict lies in the competition between SMS and KakaoTalk as advertising mediums. The reduced barriers for Friend Talk could significantly expand the advertising landscape for businesses and potentially enhance convenience for consumers who find such information useful.

However, SMS providers view this development as a major threat to their market share, estimated to be around 1 trillion KRW (approximately $730 million USD). The rich media capabilities of KakaoTalk messages, including images and interactive features, could attract advertisers away from traditional text-based SMS, potentially shrinking the market for smaller SMS-focused businesses.

Mobile carriers, who provide the infrastructure for SMS, are also likely to be less than enthusiastic. While SMS is typically included for free within mobile data plans, image-heavy advertising messages on KakaoTalk could lead to increased data consumption. Carriers might question whether this increased data usage translates into a proportional increase in their revenue, especially as Kakao would be the primary beneficiary of the Friend Talk advertising revenue.

On a broader scale, this conflict can be seen as a clash between an established medium (SMS) and a newer, more versatile platform (KakaoTalk). Currently, under South Korea's Telecommunications Business Act, SMS providers have a legal obligation to manage and prevent spam. However, platform operators like Kakao are not subject to the same regulations.

Instead, Kakao operates a voluntary spam management system. The removal of the "friend" opt-in requirement, which acted as an additional layer of consent beyond general marketing agreement, is a key point of contention for SMS providers. They argue that this weakens user protection against unwanted messages. Conversely, proponents of Kakao's approach point to the significant spam SMS issues experienced in the past year, suggesting that KakaoTalk's self-regulatory measures have historically been effective. Both sides present seemingly valid arguments in this evolving technological landscape.

Ultimately, the success and impact of Friend Talk will likely be determined by consumer acceptance. If KakaoTalk's reach and engagement prove more effective for advertisers, businesses will likely shift their focus to the platform. However, a negative user experience due to a perceived flood of advertising messages could hinder adoption and lead to user backlash.

Industry analysts suggest that both mediums could coexist, each serving distinct purposes. Similar concerns arose with the introduction of Alert Talk, which has now become an integral part of daily life in South Korea, while SMS continues to serve as a vital channel for basic information delivery.

The official launch date for the upgraded Friend Talk service remains unconfirmed. Kakao has stated that it is currently operating the enhanced Friend Talk with a limited number of whitelisted partners who adhere to the KakaoTalk Channel operation policies. "The exact release schedule has not been finalized," the company clarified.

Additional Information Gathered:

Further research reveals that the debate surrounding Kakao's Friend Talk also touches upon broader issues of digital advertising regulation and user privacy in South Korea. Consumer advocacy groups have echoed concerns about the potential for increased unsolicited advertising and the erosion of user control over their communication channels. Some legal experts have also weighed in, suggesting that while Kakao's move might align with existing marketing practices on other platforms, the unique dominance of KakaoTalk in the South Korean mobile ecosystem necessitates careful consideration of its potential impact on users.

The Korea Communications Commission (KCC), the country's telecommunications regulator, has reportedly been monitoring the situation closely. While no specific regulations targeting platform-based advertising like Friend Talk are currently in place, the KCC may intervene if the service leads to widespread consumer complaints or demonstrable harm.

The advertising industry in South Korea is also observing this development with keen interest. For businesses, KakaoTalk's vast user base and rich media capabilities present a compelling advertising opportunity. The potential for more targeted and engaging ad campaigns could lead to higher conversion rates compared to traditional SMS marketing. However, the success of Friend Talk will depend on Kakao's ability to strike a balance between providing effective advertising solutions for businesses and maintaining a positive user experience.

The long-term implications of Kakao's Friend Talk extend beyond the immediate conflict with SMS providers. It could reshape the digital advertising landscape in South Korea, potentially leading to a greater concentration of advertising spend on dominant platforms like KakaoTalk. This shift could have significant consequences for smaller advertising agencies and traditional media outlets.

Furthermore, the debate highlights the ongoing tension between innovation in the technology sector and the need for regulatory frameworks that protect consumer interests and ensure fair competition. As digital platforms become increasingly central to communication and commerce, the need for updated regulations that address the unique challenges and opportunities they present becomes ever more critical. The case of Kakao's Friend Talk serves as a timely reminder of these complex and evolving dynamics in the digital age.

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