1. A computer-generated method for recommending hash tags for inclusion in comments to be posted in a social network application, the method comprising: receiving portions of a new comment while the new comment is being generated by a user of a social network application; analyzing the portions of the new comment to determine concept information included in the new comment so that one or more relevant hash tags may be suggested to a user generating the new comment, wherein analyzing the portions of the new comment includes determining if a link is included in the new comment, in response to determining that a link is included in the new comment, extracting content that is referenced by the link, and determining the concept information from the extracted content; determining hash tags associated with the concept information, wherein the hash tags are stored in a hash tag database; prioritizing the hash tags based at least on 1) how recently the hash tags have been used in other comments posted in the social network application and 2) a maximum reach and impact of adding the hash tags to the new comment; presenting the hash tags in a prioritized order to enable the user to select one or more of the hash tags to be included in the new comment; and posting the new comment along with the selected one or more hash tags in the social network application.