15. A computer program product having a non-transitory computer-readable storage medium storing computer-executable code for generating a user interface display for displaying top terms associated with a topic, wherein the top terms are mentioned by members of an online forum in electronic communications to other members of the online forum, the user interface, once generated by the computer-executable code comprising: a demographic axis representing a demographic attribute associated with the members; and a first plurality of icons displayed with respect to the demographic axis, wherein each icon is associated with a top term in a first plurality of top terms that occur in a plurality of communications between members that are related to a topic, wherein the communications occurred during a first time interval, and a location of an icon for a top term with respect to the demographic axis is based on a first aggregate demographic value based on the demographic attribute of each of the members that used the top term during the first time interval, and a size of the icon is based on a frequency of use of the top term by those members that mentioned the top term in the communications.
15. A computer program product having a non-transitory computer-readable storage medium storing computer-executable code for generating a user interface display for displaying top terms associated with a topic, wherein the top terms are mentioned by members of an online forum in electronic communications to other members of the online forum, the user interface, once generated by the computer-executable code comprising: a demographic axis representing a demographic attribute associated with the members; and a first plurality of icons displayed with respect to the demographic axis, wherein each icon is associated with a top term in a first plurality of top terms that occur in a plurality of communications between members that are related to a topic, wherein the communications occurred during a first time interval, and a location of an icon for a top term with respect to the demographic axis is based on a first aggregate demographic value based on the demographic attribute of each of the members that used the top term during the first time interval, and a size of the icon is based on a frequency of use of the top term by those members that mentioned the top term in the communications. 17. The computer program product of claim 15 , wherein the first plurality of top terms is determined based on a normalized frequency of co-occurrence of each top term with the topic.