The new Yahoo! Messenger :Keep up with friends wherever they are – View, comment on and like updates from Yahoo! Pulse, Flickr, Facebook, Twitter, and more, all from one place, right within Yahoo! Messenger.Post one status to multiple social networks – Share your Messenger status simultaneously on Yahoo! Pulse, Facebook, and Twitter.Chat with Facebook friends – In addition to your friends on Windows Live, you can now IM your Facebook friends right within Yahoo! Messenger version 11.5 Portable. Download : Yahoo Messenger v11.5 Portable.