Can Google Books Really Tell Us About Cultural Evolution?

In 2009, Google made available Google Books (also known as the Ngram corpus), a database that now includes over 8 million books from libraries around the world. The books comprise a collection of words (over 500 billion English words) and phrases and this dataset is freely available for research use. The Books corpus allows researchers to examine changes in the frequency of word use in books over time, dating back to 1800.

This has led a lot of striking findings. So for instance, it has b

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