These range from new licensing requirements for the upload of video footage via its satellites, to quiet warnings to media owners to mute dissident voices.

这些手段包括新的通过卫星上传视频的许可证准入制度，并且警告媒体拥有这净化反对的声音。

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But Twitter is testing a home field advantage for Vine, so when you expand a tweet with a Vine video embedded, the media does auto-play, but with the sound defaulted to mute.

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