1. A computer-implemented method for identifying content in a document, the method comprising: determining, by a computing device, that a user of the computing device has accessed one or more documents of the computing device; determining, by the computing device, a subject matter of the one or more documents; determining, by the computing device, that the user has accessed at least one additional document of the computing device; searching the at least one additional document for the determined subject matter; and responsive to finding the determined subject matter, identifying the found subject matter in the at least one additional document.