If you are a regular reader of this site you know that Yahoo! Messenger team working hard at these days.Most of you waiting for the next generation Yahoo! Messenger which build for Windows Vista and i hope it will be the coolest version in Yahoo! Messenger history
While you wait for the new version, Messenger team added one of the coolest properties for Windows XP users whom uses Yahoo! Messenger 8.1.
We now can use tabbed IM windows in one window.If you already using Mozilla Firefox or Internet Explorer 7 you got the point.If you are chatting with 5 friends you were had 5 IM windows open at same time but after this cool hack we will have only one IM window with 5 tabs open which will reduce space .