Google has released their Books Ngram Viewer. Google sez:
When you enter phrases into the Google Books Ngram Viewer, it displays a graph showing how those phrases have occurred in a corpus of books (e.g., “British English”, “English Fiction”, “French”) over the selected years.
Sex vs Love vs Marriage
Once upon a time, “awful” was closer to what “awesome” means now.
When I was in high school, in my freshman year, the drama class performed “Our Hearts Were Young and Gay.” I bet they don’t put that one on too often any more.
The fastest word I ever so evolve was “weblog” which dropped the first, unstressed syllable pretty much overnight: