Any service can send messages. But with AIM, you are really connected.

Version: AIM for Mac 1.5    Platform: Apple Macintosh

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Communicate whenever you want, wherever you are, in whatever way that suits you best - on your Mac or on the go with your iPhone™
True AIM Experience
AIM for Mac will allow you to select your own Buddy sounds, wallpaper and animated Buddy Icons from the AIM Expressions library.
Custom Buddy Icon Editing
You can now use your built-in iSight camera to create a new Buddy Icon. Once you have your image selected, you will be able to apply a special image effect for a uniquely customized Buddy Icon.
System Requirements
You'll need a PowerPC G4 or Intel Mac running Mac OS X 10.4.8 (and above) or Mac OS X 10.5.3 (and above) as a minimum. We recommend 256 MB of physical RAM and 40 MB of available hard disk space.
Accessibility
AIM for Mac was designed to work with Apple's VoiceOver on both Tiger and Leopard. You can navigate, review IM conversations and get your Buddy's status. On Mac OS X Leopard, we support the new natural-sounding voice - Alex.
AIM is a registered trademark of AOL LLC. .Mac, Apple, iPhone, Leopard, Macintosh, MobileMe, and Tiger are trademarks of Apple Inc.