With the rapid development of the Internet and the mobile network, Instant Message service has become a key method for transmitting real-time information.

伴随互联网和移动网的迅猛发展，即时消息业务已经成为一种用户之间进行实时信息传递的主要手段。

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The Out of Office service supports instant response to an incoming mail message.

Out of Office服务支持对输入邮件消息的即时响应。

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Twitter is consider as evolution of blogging, the online micro-blogging and text messaging service that allows users to update their posts (up to 140 characters) via SMS or instant message.

叽叽喳喳是考虑演变的博客，在线微型博客和短信服务，使用户能够更新自己的职位（最多140字）通过短信或即时消息。

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Israeli venture capitalist Yossi Vardi, who founded the famed ICQ instant message service later bought by America Online, decided to poke fun at it.

FORBES: Nerds Of A Feather

Microsoft says it will use the company's software, people and intellectual property to accelerate the delivery of its unified communications vision, a vision bringing together various technologies including e-mail, instant messaging, short message service, telephony, and Web conferencing.

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Facebook's service is designed to combine traditional email, instant message and cellphone text messages into one system, routing messages to whichever service is best for each person, and keeping an archive of it all.

WSJ: Facebook's New Front in Google Rivalry