neat thing from google labs...books word search by year

[vshah]

enter up to 5 comma separated words or phrases, and it will plot a graph of their appearance in books over time:
http://ngrams.googlelabs.com/

nyt article about the project:

http://www.nytimes.com/2010/12/17/books/17words.html?_r=3&hp=&pagewanted=all

 

[TheLonelyPhoenix]

http://ngrams.googlelabs.com/graph?...start=1800&year_end=2000&corpus=0&smoothing=3