[Cross posted from Sixteen Small Stones]
You may have heard about the cool new Book Ngram Viewer from Google Labs. The result of a joint effort by Harvard University, some traditional book publishers, and Google Books, the project uses a sample of 5 million books published between 1500 and the present to identify word and phrase frequencies relative to the number of words published each year. They call these phrase frequencies Ngrams.
While the sample size only represents 4% of books ever published, and the approach is often limited by the complexity of language usage, the project offers a fascinating (not to mention fun!) look not just into language, but into comparative cultural trends, historical events, fads, celebrity, and influence.
And best of all, Google has provided a free web-based interface so that anyone can play around with Ngram searches.
For instance, the Ngram Viewer can be used to compare the usage of the terms Mormon vs LDS: