Yahoo Messenger
It is an advertisement-supported instant messaging client and associated protocol provided by Yahoo. It was originally launched under the name Yahoo! Pager on March 9, 1998. The features include:
  • Instant messaging: Send text messages in real-time
  • Photo sharing: Share photo from desktop computer or flickr and then discuss them over.
  • PC-to-PC calls: Make a voice call to another Yahoo messenger.
  • SMS: Send text messages from messenger to friend’s mobile phones for free.
  • Webcam: Plug in your webcam to share live video with your friends on Yahoo! Messenger.
  • IM Conferencing: Instant message with many friends at once in a conference room (includes voice capabilities, where available
  • IM with Friends on Other Networks: IM with friends who use Windows Live™ Messenger, Reuters Messaging, and Lotus Sametime — right from Yahoo! Messenger.
  • File Transfers: Send files instantly to a friend while you IM (2 GB limit).
  • IM Forwarding to Mobile: When you sign out of Messenger, have new IMs sent to your phone as text messages.
  • Call forwarding: Have incoming calls to Messenger forwarded to another phone number, even if you’re signed out.
  • Voicemail: When friends call you on Yahoo! Messenger, they can leave you a voicemail if you’re unavailable.
  • Message Archiving: Maintain a private archive of your IM conversations.
  • Games: Play a game of pool, backgammon, checkers and more with a friend while you IM.