Yahoo! Messenger - Instant messaging allows you to quickly exchange messages with your online friends. Unlike e-mail, instant messages appear as soon they`re sent. By downloading the Yahoo! Messenger application to your computer, you can send instant messages to other people from around the globe, send them files or have a voice conference.

Other features include voice chat, file transfer, mail and stock quote alerts, sports scores, news, and much more.

Here are some key features of "Yahoo! Messenger":

Photo Sharing,
LAUNCHcast Radio,
Yahoo! Games,
IMVironments,
Find, Add, Share Friends,
Yahoo! Search,
File Transfer,
Address Book,
Stealth Settings,
Audibles,
Emoticons,
Yahoo! Avatars,
Display Images,
Skins,
Voice,
Take Yahoo! with You,
Webcam,
Conference.