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How Does Instant Messaging Work?

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From Quick Guide: IM Basics

Summary: Most instant messaging protocols are different from the others, but they usually require a user to sign up for service. Discover why different instant messaging services don't talk to each other with help from an IT systems administrator in this free video on instant messaging.

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By Joe Supple
eHow Presenter

Joe Supple currently works as an IT systems administrator for the EPA. Supple has been a security engineer and a programmer, and he holds degrees from the University of Waterloo, the...read more

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"Instant messaging has a number of different protocols. As we talked about, there's Yahoo, AIM, Gmail, MSN. The problem with most of the instant messaging protocols is that they're all different. They all require a client and none of them talk to each other. So generally speaking, once you decide which particular type of instant messaging service you're going to want, you can go to their website. You can sign up for the service. You can download a client. There are a couple of clients that allow you to do multiple things at one time. Meebo allows you to sign into some of the Web...some of the instant messaging sites, but not all of them, at once time. There's also a program known as Trillian and Pigeon, and those are standalone clients. And what you do is from that, you can sign into multiple instant messaging chats at one time. Again, if it's a public computer, you obviously don't want to keep your password and user ID. You'll want to keep that a little bit not sign in automatically. And you probably don't want to post a little sticky on your computer as far as what your password is unless you're absolutely certain that nobody else is going to be there."

eHow Article: How Does Instant Messaging Work?

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