Rather, they constantly interact with each other, mostly by instant message (IM).

相反，他们需要不断相互配合，主要是通过及时通讯工具联系（简称IM）。

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Instant message, which opens up a Facebook application IM client.

即时消息，会打开一个Facebook应用的即时消息客户端。

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The old fixed-line telephone has been replaced by mobile phones, Short Message Service (SMS), e-mail and instant messaging (IM).

老式的固定电话早已被手机、短信息、电子邮件和即使消息（IM）所取代。

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You IM (instant message), you blog, you take pictures, you publish, you podcast, you transact, you distance learn, you telemedicine.

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