Oh, the humanity

"This Google Books data set, which is available for download along with the Google Books Ngram Viewer, is a free quantitative tool made available to supplement humanities research worldwide. It is based on the full text of about 5.2 million books, with more than 500 billion words in total. About 72 percent of its text is in English, with smaller amounts in French, Spanish, German, Chinese, and Russian. It is the largest data release in the history of the humanities, the authors note, a sequence of letters 1,000 times longer than the human genome. If written in a straight line, it would reach to the moon and back 10 times over...."