Stay in touch with friends with the latest version of Yahoo Messenger. Some features include typing notification, which lets you know when your friend is in the act of typing a message to you; new emoticons, to show your friends how you're feeling at any given time; Auto Idle Status, to let your friends know when you're away from your computer; and improved firewall support. Instant message with your Yahoo! and Windows Live Messenger friends.
Yahoo! Messenger for Mac:
Communication: Instant Messaging Chat Rooms PC-to-PC Calls Phone Out (PC-to-Phone Calls) Phone In (Get a Phone Number for Messenger) SMS (Text Messaging) Webcam IM Conferencing IM with Friends on Other Networks File Transfer Productivity: IM Forwarding to Mobile Contact Search Bar Stealth/Privacy Settings Call Forwarding Yahoo! Mail alerts Voicemail Message Archiving Tabbed IM Windows Buzz Alert Fun & Personalization: Emoticons Avatars Display Images Custom Status Messages Customizable Fonts & Colors