Remote surgery needs more than 10 megabits a second. The same goes for video instant messaging.

远程手术和视频即时通讯需要每秒大于10 MB的速度。

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Many argue that video teleconferencing and instant messaging have replaced the need for virtual world interaction.

很多人认为视频会议和即时通讯已经取代了虚拟世界互动。

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The most obvious are communications AIDS such as instant messaging, phone and video conferencing, and virtual workspaces.

最明显的就是沟通援助，例如：即时消息、电话、视频会议和虚拟工作空间等。

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Now,they have texting,e-mail, instant messaging and video chat.

VOA: special.2009.09.14

Me, which allows them to interact with one another via video and instant messaging.

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The second phase, which is scheduled for the second half of 2011, will add in the remaining Skype features, including video, instant messaging and presence (an indicator of whether a person is available for a conversation).

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Thanks to cheap Web cams and video-friendly instant messaging software, such as Apple 's iChat, keeping in touch via video is easier than ever.

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