The element that distinguishes it from Google? As Mashable explains, it generates results based on relationships between subjects that run deeper than keywords.

So, to put this in an M.C. Hammer context, if I searched on WireDoo for “U Can’t Touch This,” I might find links to the song, M.C. Hammer’s bio, where to buy parachute-style Hammer pants and information about a “U Can’t Touch This” dance party that’s happening in my neighborhood.