Definitely lately due to the development of several systems of IM and social networking, the services that allow simultaneous connection on several networks began to be sought. Apart from the desktop applications that allow this, add-on (extensions) have also developed for the most popular Browsers, to offer this facility.
Yoono It's such an add-on. Allows simultaneous connection in a single space, on the most popular social networking systems (Facebook, MySpaceImeem, Twitter, Flickr, FriendFeed, Youtube, Last.fm, Akoqpod Piczo) IM (Instant Messaging – AIM, GTALK, Msn si Yahoo!) .

One of the greatest advantages of Yoono, is the possibility of web sharing (By a simple love & Drop, you can share with your friends. Video videos and pictures from the sites) and unique update for all profiles. Specifically, if you change a status, it will be automatically updated on all the systems you are connected to.

Connect 
– Gather all of your social networks in one place including Facebook, MySpace, iMeem, Twitter, Flickr, FriendFeed, Youtube, Last.fm, Seeqpod, Piczo and more coming soon. 
– Bring together all of your chat networks including AIM, GTalk, MSN, and Yahoo! 
– Universally update you profile status. 
– Receive live updates from your friends. 
– Search and prioritize friends and their updates. 
– Instant message and chat with friends in any network. 
Discover 
– Find relevant articles and discover new sites as you browse the web. 
– Meet new friends and Yoono users that are interested in the same topics. 
– Save and share specific content with your friends. 
Share 
– Drag and drop photos and videos from any site including YouTube and share live with friends. 
– Upload pictures to Flickr via Yoono. 
– Create and save a file around photos and videos and share with friends or post to a blog.
If you are interested in this service, you must register on the official Yoono page: yoono.com and use as a browser Firefox or Flock.
 
			