Hangouts - live multi-user video conferencing that permits friends to drop in and out of live group conversations.

闲逛——实时的多用户视频会议，可以使朋友随便的进出实时群组讨论。

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For example, in a video rental use case, we describe what happens when a user interacts with a video rental system.

例如，在一个“录像带出租”用例中，我们对用户与录像带出租系统交互时会出现的情况进行了描述。

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Once you are logged in, you'll get a list of your active instances, plus user statistics, video demos, and other resources.

登录后，就会得到活动实例的一个列表以及用户统计信息、视频演示及其他资源。

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At least one other firm plans to announce high-definition, multi-user video chat for mobile devices at Mobile World Congress, the big telecom trade show, this week.

FORBES: Tablets Get High Definition 'Telepresence' Mobile Chat

This year, Mozilla plans to get more people to download version 1.5 of the program by launching a viral marketing campaign fueled by thousands of user video testimonials and a thirty-second commercial contest.

FORBES: Magazine Article

"Combining live video with user-created or virtual video creates a very rich result, " he says.

FORBES: Magazine Article