Everything old is new again...
In response to my Tweet
I find it amazing how many of the 2014 business goals for #socbiz are the exact same as the 1995 goals of the early Lotus Notes days.- Alan Lepofsky (@alanlepo) July 31, 2014
Joel Demay pointed out to me that Facebook's Graph Search helps you search for people, places and things...
Which was the main focus of Lotus's ~1999-2002 Knowledge Management efforts. "People, Places & Things as the three essential ingredients of an effective Knowledge Management infrastructure"
I especially like how together they support relationships and community, all within the context of what you're working on.