Yahoo! Messenger Beta let people play social games from publishers like Zynga, ELEX and OMGPOP, share their status across networks, and view, comment on, and "like" updates from Yahoo! Pulse, Flickr, Facebook, and Twitter -- all from their instant messaging client. Interoperability with Facebook Chat also broadens the group of friends that people can instantly connect and chat with on Yahoo! Messenger.
Zynga - Starting this week, the first phase of integration with Zynga will allow people to launch, play, and share Zynga's popular games like Mafia Wars and FishVille on Yahoo! Messenger, Yahoo! Games, My Yahoo!, Yahoo! Toolbar, and Yahoo! Pulse.
Twitter -- Building on Yahoo!'s Facebook integration, people can now also connect their Yahoo! and Twitter accounts globally to see and share Twitter updates on the Yahoo! homepage, Yahoo! Messenger, Yahoo! Mail, and Yahoo! Pulse.
Here's the full release:
Download: Yahoo! Messenger Beta