1. A computer-implemented method comprising: with at least one machine having a processor: aggregating a plurality of messages that are disseminated to a plurality of entities at any of a plurality of social media sites, wherein the plurality of messages comprise a first message that is disseminated to a first social media site of the plurality of social media sites and a second message that is disseminated to a second different social media site of the plurality of social media sites; identifying a particular entity that is referenced in body text of at least the first message and the second message by detecting an alphanumeric identifier of the particular entity in the body text of the first and second messages, wherein the body text of a message is separate from a header of the message that specifies a source of and a recipient for the message; and presenting at least the first and the second messages in one interface that is independent of interfaces of the first social media site and the second social media site to which the first and second messages are disseminated.