When you search for a person you will get their Facebook, Twtitter, LinkedIn, and FriendFeed profiles when applicable.
When we launch this, youre going to come to Yahoo to search for people, Larry Cornett, VP Search Products and Design is quoted as saying. There appears to be a heavy focus on personalization with the new Yahoo Search. As you are probably well aware, Yahoo has a deal in the works with Microsoft that will have Bing delivering the search results for Yahoo searches, should the deal get through regulators. Yahoo says it will still compete on the frontend.