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Disable Facebook Chat Forever

How to Disable Facebook Chat so that none of my friends can see me online or send me an IM message via Facebook.

How to Write your own IM Bot

IM Tutorial: Learn how to create an IM bot for Google Talk, Yahoo! Messenger, AOL AIM and other instant messaging clients.

Use Your Gmail Address for Instant Messaging

NYT – If you signed up for Gmail (Google’s e-mail service) , you can use its Google Talk network to send instant messages to people on your Gmail address book.