Too early to say if their search is groundbreaking...
Remember, great search algorithms aren't the only component needed for great results. You also need users to tell you which result is ultimately right.
Also, Wikipedia is a natural choice to search against. It already has a ton of clean, mostly-standardized and interconnected content. Search would've been a breeze long, long ago if there wasn't any real crap in your indexes.
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Too early to say if their search is groundbreaking... Remember, great search algorithms aren't the only component needed for great results. You also need users to tell you which result is ultimately right. Also, Wikipedia is a natural choice to search against. It already has a ton of clean, mostly-standardized and interconnected content. Search would've been a breeze long, long ago if there wasn't any real crap in your indexes.