4. The system of claim 1 , the acts further comprising: determining a sentiment for each message in the plurality of messages based upon content of the messages, and wherein the interactive graphical object comprises indications of sentiment of messages in the plurality of messages and responsive to receipt of a selection of a particular sentiment represented in the interactive graphical object, filtering the plurality of messages based at least in part upon the particular sentiment.
4. The system of claim 1 , the acts further comprising: determining a sentiment for each message in the plurality of messages based upon content of the messages, and wherein the interactive graphical object comprises indications of sentiment of messages in the plurality of messages and responsive to receipt of a selection of a particular sentiment represented in the interactive graphical object, filtering the plurality of messages based at least in part upon the particular sentiment. 6. The system of claim 4 , wherein the interactive graphical object is representative of volume of messages with respect to geographic region and sentiment.