Freemium services such as music streaming, video sharing, and mobile games are often supported using advertisements, whereby consumer attention to these advertisements can be considered a proxy for...

中文翻译：

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免费增值服务中的广告：缺乏控制和入侵是消费者付出的代价


音乐流媒体、视频共享和手机游戏等免费增值服务通常使用广告来支持，因此消费者对这些广告的关注可以被视为......