Mercury is a Java Based MSN client. With Mercury you can do the same things as with your normal messenger: Talk to friends Change your nickname and status Add a display picture (also know as avatar) Send files through the msn server (for people with a firewall etc..) or direct Play games (Tic Tac Toe and Connect4 only at the moment) Watch the webcam of your friends (Mercury auto-saves these sessionson the disk and can convert them to Quicktime movies, click here formore info) Allow other people to watch your webcam