Data from sources like social media, along with powerful analytic software, are giving companies insights into customer buying habits that never before were possible, says Raj Devarajan of Symphony Analytics. He discusses this and other implications that big data holds for supply chain management.

The way most companies evaluate forecasting performance tells them the magnitude of their error, but does little to identify causes of the error or potential for improvement, says Michael Gilliland of SAS. Gilliland explains how the addition of a few simple analytic tools can provide fuller and more useful evaluations.