7. A method comprising: accessing, by a computing system having one or more hardware processors, a plurality of peer-to-peer electronic communications; analyzing, by the computing system, the electronic communications to determine whether respective electronic communications include any words that match and/or contextually relate to stored keyword and/or key phrase data; in response to finding one or more words in a first message that match and/or contextually relate to a first one or more stored keyword and/or key phrase data, selecting first content associated with the first one or more stored keyword and/or key phrase data; in response to finding one or more other words in a second message that match and/or contextually relate to a second stored keyword and/or key phrase data, selecting second content associated with the second stored keyword and/or key phrase data, wherein the first content and the second content are different; routing a first electronic communication comprising the first message to a first recipient in a manner so that a first tag line relating to the first content will be displayed to a side of a message body of the first electronic communication and so that the first tag line comprises underlined text that is a hyperlink which points to a first website associated with a first content provider and text that is not underlined and which provides first information regarding the first content; and routing a second electronic communication comprising the second message to a second recipient in a manner so that a second tag line relating to the second content will be displayed to a side of a message body of the second electronic communication and so that the second tag line comprises underlined text that is a hyperlink which points to a second website associated with a second content provider and text that is not underlined and which provides second information regarding the second content.
7. A method comprising: accessing, by a computing system having one or more hardware processors, a plurality of peer-to-peer electronic communications; analyzing, by the computing system, the electronic communications to determine whether respective electronic communications include any words that match and/or contextually relate to stored keyword and/or key phrase data; in response to finding one or more words in a first message that match and/or contextually relate to a first one or more stored keyword and/or key phrase data, selecting first content associated with the first one or more stored keyword and/or key phrase data; in response to finding one or more other words in a second message that match and/or contextually relate to a second stored keyword and/or key phrase data, selecting second content associated with the second stored keyword and/or key phrase data, wherein the first content and the second content are different; routing a first electronic communication comprising the first message to a first recipient in a manner so that a first tag line relating to the first content will be displayed to a side of a message body of the first electronic communication and so that the first tag line comprises underlined text that is a hyperlink which points to a first website associated with a first content provider and text that is not underlined and which provides first information regarding the first content; and routing a second electronic communication comprising the second message to a second recipient in a manner so that a second tag line relating to the second content will be displayed to a side of a message body of the second electronic communication and so that the second tag line comprises underlined text that is a hyperlink which points to a second website associated with a second content provider and text that is not underlined and which provides second information regarding the second content. 8. The method of claim 7 , further comprising: accessing, by the computing system, a third electronic communication and causing content that is not contextually relevant to a third message included in the third electronic communication to be displayed to a side of a message body of the third electronic communication.