2010-08-06

世界には1億2986万4880種類の本があったそうだ

Official Google Blog: You can count the number of books in the world on 25,972,976 hands
Inside Google Books: Books of the world, stand up and be counted! All 129,864,880 of you.

某検索巨人によれば、世界には、129864880種類の本があったそうだ。もちろん、その数は、今でも増え続けているのだが。

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