Tofu Up, Hot Dogs Down? Google Has Proof, shared by an editor
From the PETA blog:
For years, the PETA Files has been telling you how eating vegan is all the rage. But now, the clever folks at Google Labs have given us the tool to prove it. Their new Books Ngram Viewer allows visitors to see and compare, in graph form, trends in word usage over time, based on a database of books (here's a more thorough explanation of how it all works). And the food editor at Good has noticed that mentions of the word "tofu" have far surpassed those of "hot dog."