Why is Big Data hailed as the answer to so many big questions? Listen to those who may know why.

Speakers include: Heather Laurie (Pro Vice Chancellor of Research and Professor of Sociology, University of Essex), John Pullinger (UK National Statistician, Head of the Government Statistical Service and Chief Executive of the UK Statistics Authority), David Willetts (former Minister for Universities and Science) and Lynn Wyeth (Head of Governance Information and Risk, Leicester City Council).