With regards to Facebooks own search, the companys Akhil Wable says, You now will be able to search the last 30 days of your News Feed for status updates, photos, links, videos and notes being shared by your friends and the Facebook Pages of which youre a

If people have chosen to make their content available to everyone, you also will be able to search for their status updates, links and notes, regardless of whether or not you are friends. Search results will continue to include peoples profiles as well as relevant Facebook Pages, groups and applications.Just search like normal, and then use the filters on the left side of the screen on the results page to adjust your results to view by people, pages, groups, apps, events, your own friends, etc.I would speculate that at some point, this realtime search functionality would incorporate more of what FriendFeed brings to the table.