Here are some key features of "Yahoo Messenger":

Photo Sharing
Drag-and-drop photos into your IM windows and talk about them like you're there.

LAUNCHcast Radio
Make your own radio station and listen to music you like!

Yahoo! Games
Challenge your friends to classic Yahoo! Games in the IM window.

IMVironments
Use interactive themed backgrounds in your IMs.

Find, Add, Share Friends
Easily get connected with the people who matter most.

Yahoo! Search
Search from your IM window, and get results both you and your friend can see.

File Transfer
Drag-and-drop files for real-time sharing and instant notification that they've been received.

Address Book
Synchronize all your contact information.

Stealth Settings
Make yourself appear online to some and offline to others.

Audibles
Let these animated characters say it out loud for you!

Emoticons
Express your feelings with these animated smiling faces.

Yahoo! Avatars
Represent yourself with a stylized graphical image.

Display Images
Select an image to represent yourself to your friends.

Skins
Select new visual designs or disable them altogether.

Voice
Make free worldwide PC-to-PC calls and enjoy great sound quality and voice mail.

Take Yahoo! with You
Stay connected to Yahoo! Messenger on your mobile phone.

Webcam
Share live video with friends and family around the world.

Conference
Exchange text messages with multiple people in one IM