05 January 2010 11:15
Messenger
Engage users, build your network and keep users coming back for more with Windows Live Messenger! Use the Windows Live Messenger Web Toolkit to connect users and let them communicate with hundreds of millions of Windows Live Messenger users all over the world. Use the Windows Live Messenger client (v. 7.0 and later) to develop a single- or multi-user application through the Windows Live Messenger Activity API.