The data revolution is upon us. The data we have and the way we treat it has changed beyond measure – as witness a quote from Hal Varian of Google: “Back in the early days of the Web, every document had at the bottom, ‘Copyright 1997. Do not redistribute.’ Now every document has at the bottom, ‘Copyright 2008. Click here to send to your friends.’” Hal Varian has made another famous quote about statistics in the new data age. Julian Champkin interviewed him.