I'm not sure if you are joking, but I have a linguist friend who mines Twitter for things like evolving language usage. She shares some pretty interesting thing

I'm not sure if you are joking, but I have a linguist friend who mines Twitter for things like evolving language usage. She shares some pretty interesting things that she learns from it, too. I expect that being able to do that with a hundred-year (or multi-decade) corpus could be really interesting.