This document discusses harnessing mobile technologies for learning and performance support. It defines mobile learning as leveraging portable devices to enable on-demand learning and performance. The key drivers for mobile learning in business are that it is fast, flexible, timely, on demand, learner driven, and collaborative. There are four main types of mobile learning: performance support, information access, communication, and learning. The document also discusses challenges of mobile learning like multiple platforms and security issues, and success factors like defining mobile solutions based on a thorough analysis of work processes.