This article is about corporate learning. The Thomson Job Impact Study, from NETg, a global organization in corporate education and training and part of the Thomson Corporation, measures the effectiveness of blended learning against single training options and pinpoints the necessary components for a successful blended approach. The study was developed in collaboration with leading corporations and academic institutions. The study showed that a structured curriculum of blended learning generated a 30 percent increase in accuracy of performance and a 41 percent increase in speed of performance over single-delivery options.