MSN Web Messenger Beta
From https://webmessenger.msn.com/:
"MSN Web Messenger lets you talk online and in real-time with friends and family using just a web browser! Use it on any shared computer - at school, at work, at a friend's house or anywhere you can't install the MSN Messenger software. "
I can now have two MSN Messengers running: work account (Win32 application) and private account (web)...