The specter of big data is haunting the world, but has the data revolution already occurred?

Changes to the supply and demand of data are restructuring privileged hierarchies of knowledge, with amateur hackers and machine-readable technology becoming a central part of its analysis. Traditional experts may be hoping for a gradual evolution, but a parallel revolution led by practitioners in the private sector may already be underway. Prasanna Lal Das argues that partnerships will need to incorporate these new practitioners because for them, the data revolution is already a fact of life.