The expansion of e-learning in medical education is a reflection of the inherent advantages that technology can bring to teaching and learning. Geriatric medicine has taken advantage of some of the benefits associated with e-learning in terms of undergraduate education, specialty training and interdisciplinary training. However, there are further opportunities and challenges to be met for geriatric medicine to make the very most of e-learning. This review outlines the terminology associated with e-learning, summarizes the advantages and potential problems, and considers the evidence base for the efficacy of e-learning. Current use of e-learning amongst professional groups is summarized and recommendations made for expanding the use of e-learning for all healthcare professionals working with older people.