A few days ago, Google put online a tool designed as a time-suck for the holiday season (HT to Marginal Revolution for the link). Google N-gram viewer allows you to type in some search terms and it spits out how often those terms appear in Google Books by year of publication. Google books now contains 5,195,769 digitized books –or about 4% of all books ever published—so that it’s a pretty powerful tool to monitor cultural trends.
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