1. A method of providing content to a user, the method comprising: monitoring electronic document browsing of a user; in connection with the monitoring, identifying, from each of one or more electronic documents browsed by the user, one or more words descriptive of overall content included in the corresponding electronic document based on relative frequency of occurrence of the one or more words in the corresponding electronic document; storing, as part of browsing information descriptive of content accessed by the user, the one or more words identified from each of the one or more electronic documents browsed by the user in association with an indication of when the corresponding electronic document was browsed by the user; receiving a request for content from the user; accessing, from the stored browsing information descriptive of content accessed by the user, information descriptive of content accessed by the user during a time period that is prior to receipt of the request for content, the accessed information including at least a portion of the one or more words identified from each of the one or more electronic documents browsed by the user; using at least a portion of the accessed information descriptive of content accessed by the user during the time period that is prior to receipt of the request for content to identify content to provide in response to the request for content; and providing the identified content in response to the request for content.