Stone列举了很多服务条款变化，其中包括广告限制，所有权和使用协议，API使用，以及明确的垃圾信息处理机制。

Stone outlined a number of changes to the Terms of Service including advertising stipulations, ownership and usage agreements, API usage and a clear mechanism for dealing with spam.

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提供这种服务的关键点在于，如何在HTTP协议本身的无状态性以及WEB浏览器基于文本的信息处理方式等约束条件下，使音视频实时交互服务能与WEB元素无缝协作。

The key point of supporting this service is how to make it seamlessly corporated with WEB elements while the HTTP protocol is stateless and the main information for browser is based on text files.

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