> Four centuries from now the historians of science would be examining terabytes of Facebook and Twitter records to try to understand whether or not anyone actu

> Four centuries from now the historians of science would be examining terabytes of Facebook and Twitter records to try to understand whether or not anyone actually read this monumental work. With Twitter it should be easy, but I think most of the contents of Facebook will be (or is already) lost, especially groups. And you can't acquire these data easily.