The evidence was in the steady accretion of Gmail features like instant messaging, audio - and then video - chat, and so on.

这一点可以从不断增多的Gmail功能上得到印证，如Gmail增加了即时通讯、音频聊天以及后来的视频聊天等等。

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That audio stream can contain commercial messaging if it is done right.

音频流可以包括刚交易完成的商业信息。

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It’s also rich with features such as group chat, photo messaging and audio chatting. ($10, download)

它也有很丰富的功能，例如集体聊天，照片信息和音频聊天。

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Kay wants to take computing forward with his next great invention, an operating system that puts the user in a three-dimensional graphic world with scores of other users, all computing collaboratively and communicating through audio and visual messaging.

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The BBM messaging app can now make audio and video calls as well as being able to share what is on one person's screen with the other user's device.

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Home also did not integrate some of multimedia features that many messaging apps boast, such as video and audio sharing.

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