1. A method for searching and displaying content related to a post in an activity stream, comprising: presenting, by a processor, an activity stream to a user, the activity stream comprising a plurality of posts; detecting, by the processor, a user action with respect to a particular post of the plurality of posts; analyzing, by the processor, content of the particular post; searching, by the processor, at least other posts in the activity stream of the user for related content to the particular post based on the analysis of the content of the particular post; generating, by the processor, a list of posts comprising related content to the particular post in response to the search; and presenting, by the processor, the list of posts comprising the related content, the list of posts providing a history or context leading up to the particular post to the user.