OfficeTalk: Microsoft's Twitter for businesses (images)
OfficeTalk--Twitter for the enterprise?
Microsoft is testing OfficeTalk, a microblogging service that businesses can host on their own servers for employees.
At this point the service is pretty similar to Twitter or the already business-focused Yammer.
A "company feed" lets workers easily discover what their co-workers are up to.
Search is there
Among the features within OfficeTalk is a search capability.