Microsoft have their web messenger, Gtalk integrates an application-less chatting in Gmail and now, Yahoo! has just catches up with its rivals with the launched of Yahoo! Web Messenger Beta.

Yahoo! Web Messenger is purely based on Flash 9 and according to TechCrunch, it is integrated with MSN Messenger and that means you can add Live/MSN Messenger contacts to your Yahoo! friends list. I’m not really a fan of Yahoo! Messenger but this definitely a good news for Yahoo IM users and those who are unable to install IM applications in their computers.