15. The system of claim 10 , wherein the computer-readable medium further includes instructions that, when executed by the one or more processors, cause the system to: receive the multiple events via one or more interfaces other than the preference event interface; wherein the preference event interface is not operable to submit a preference event.
10. A system for displaying preference events in real time, comprising: one or more processors; and memory storing instructions that, when executed by the one or more processors, cause the system to: present a preference event interface comprising: a display portion displaying multiple individual preference events for corresponding content contributions, each preference event comprising: a title of the corresponding content contribution; a symbol identifying the type of preference event; and a numerical score reflecting an aggregation of positive preference events and negative preference events received for the corresponding content contribution; a first control portion comprising multiple preference controls for selecting one or more types of preference events to display in the display portion; and a second control portion comprising multiple content controls for selecting one or more types of content contributions for which preference events are to be displayed in the display portion; wherein no content contributions corresponding to the displayed preference events are displayed in the preference event interface; and periodically automatically add to the display portion a new preference event that satisfies the preference controls and the content controls.