1. A method, comprising: receiving, at a first server, from each of a plurality of mobile devices associated with a particular enterprise, mobile device usage data including for each of at least a subset of the plurality of mobile devices usage data each of one or more instances of which has been correlated with a corresponding mobile device context data; aggregating the usage data from each of the plurality of mobile devices; and generating one or more mobile device usage reports based on the aggregated usage data, including by using said mobile device context data to generate a summary of at least a portion of the aggregated usage data broken out by a context indicated by said mobile device context data.