“三女共侍一夫”，宝宝巴士擦边，给自己捅了一刀

Core Viewpoint - The incident involving BabyBus highlights the risks associated with third-party advertising in children's apps, raising concerns about content appropriateness and the company's responsibility in safeguarding young users [3][12][13]. Group 1: Incident Overview - BabyBus, a prominent early education app, faced backlash after inappropriate advertisements appeared during app usage, including suggestive content that is unsuitable for children [5][6]. - Users reported that the app redirected to explicit content without warning, leading to significant parental concern and criticism [5][6][8]. Group 2: Business Model and Revenue - BabyBus has historically relied on a business model that offers free content to attract users, monetizing through embedded advertisements, with over 70% of its revenue coming from ad partnerships as of its 2021 IPO [6][12]. - The app's success in attracting over 93 million monthly active users has been overshadowed by the recent advertising controversy, which has raised questions about the sustainability of its revenue model [6][12]. Group 3: Response and Future Implications - In response to the controversy, BabyBus announced the removal of the offending ads and the implementation of new technology to prevent similar issues in the future [9][10]. - However, the incident has exposed a regulatory gap in third-party advertising, suggesting that without fundamental changes to content oversight, similar issues may arise again [12][13].