WhatsApp, the popular chat tool, uses Signal's software to encrypt its messaging.

很受欢迎的聊天工具WhatsApp使用Signal的软件为自己的通讯信息加密。

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There is no reason why the chat couldn't be used as an internal micro-blogging tool, for example.

比如，并没有什么理由说聊天不能拿来当内部的微博客工具使用。

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Web meetings are integrated with activities and to-do lists to let the host take notes, and any participant can chat with other participants using the integrated instant messaging tool.

Web会议与活动和任务列表集成在一起，让主持人可以进行记录，而且所有参与者都可以使用集成的即时消息传递工具与其他参与者进行会话。

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Microsoft has announced it intends to "retire" its instant message chat tool and replace it with Skype's messaging tool.

BBC: Microsoft ditches Windows Live Messenger for Skype

One could make a case that the comment should never have been seen by the public at large anyway, as it is from an internal chat log from the Campfire collaboration tool used inside Gawker.

FORBES: Discussing Gawker's Breach With Founder Nick Denton

How often do you use Google Chat or Skype or some other video tool to catch up with loved ones?

FORBES: And We're Live: What Happens When Anyone Can Do A Live Broadcast?