We live in a world of big data, with government, corporations, social media, and all kinds of organizations in possession of vast amounts of quite personal data about us--most of which we've handed over ourselves.
That's just one piece big data, though. The accumulation of enormous amounts of data, and the use of modern, advanced computers to process it, has affected every area of our lives and our world. Not much over two centuries ago, medicine was still largely a matter of trial and error, and medical theories we know to be completely wrong.

