Adium has great support for AppleScripts (or possibly other scripting languages), in that you define a string, and when this string is typed in as a message, the script is run, and the result is sent as the message instead.
Thus, it’s possible to write scripts that allow you to type in:
%_itunes
And a nicely formatted string, with the current iTunes song is sent to the person you are chatting to. This string can even have hyperlinks embedded in it, so if you were serving your iTunes library up, the person could click on it and download/stream it.
The same for %_safari/%_camino, this can be set up to send a hyperlink with the current page, including the title.
What is not clear from the internet is how to create these. It’s really quite simple.
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