used in extraordinary ways. it's being called big data and my guests are experts at it. kenneth is data editor of the economist, and victor schoenberger is a professor at oxfo oxford's internet institute. together they are authors of "big data:a revolution that will transform how we live, work, and think." welcome. what's the big story here? we've always had data. why is big data a quantum leap? >> first, we have vastly more data than we ever had before. secondly, we have more data on things we never had rendered into a data format before. it was always informational, but not data. so you can take where you are, locati location, as one example. words in books that are now digitized and also data fied. when you think about social media platforms like facebook, it data fis ours relationships. >> you have a new example about the flu. i talk about how google and big