Danny „Suchmaschine“ Sullivan, Oberauskenner bei Suchmaschinen seit 15 Jahren, hat Wolfram Alpha getestet (soll im Mai online gehen):

Will it be as important as Google has become? Perhaps! A new search paradigm? Yes! Or at least a new way of gathering information. A Google-killer? Nope! But when the service launches, it should become an essential in anyone’s search tool kit.