ABSTRACTElectronic performance support is an expanding area within the field of performance technology. This article reviews and classifies the literature, both conceptual and case‐based, in order to assess settings for use, initiating factors for development, and general features of the various systems. Identification of each article reviewed is presented in a matrix of categories that can be used to point those interested in specific aspects of this complex topic to the most pertinent information for their own needs. A general summary of findings follow