The amount of data that is produced is growing exponentially. By now, Big Data is a buzz word in many fields and disciplines. Widely discussed not only in industry and academia, as well in the public sector. But what is Big Data? And are we witnessing a shift: Is there a »Big Data moment«? Andrew Prescott is a trained medieval historian and professor of Digital Humanities. In this interview we talk about the history of Big Data and some theoretical and methodical consequences for the Arts and Humanities.