Mobile technologies such as iPhone apps make it possible for learners to freely access course content management systems, library Web sites, as well as reference services from anywhere, anytime. This paper reviewed the current status of mobile learning and suggested possible factors influencing the use of mobile apps in online learning. The author also surveyed graduate students on the use and non-use of the Blackboard Mobile app. The survey yielded promising results for understanding mobile learning and provided suggestions on mobile app design as well as how libraries can expand their services to support a new generation of mobile learners.