According to the Google Blog:
We’ve been working with AOL on ways to let our users talk to their buddies on the AIM network, and I’m delighted to announce that the fruits of that labor are live. Starting today, Gmail users can sign into their AIM accounts via Gmail chat and talk with AIM buddies just as they do with their Google Talk friends.
This is pretty handy for folks who travel or use internet cafes with both AIM and Google Talk accounts.
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