Patent ID: 8869037

Claim:
A method of displaying a preference by a first user regarding a first content contribution submitted by a second user, the method comprising: during presentation of the first content contribution to the first user in a content-viewing interface, receiving from the first user via the content-viewing interface a first preference event regarding the first content contribution; storing a plurality of preference events received from multiple users, including the first preference event; receiving a first query from a first client device presenting a stack interface to a third user, wherein the stack interface comprises: stack representations of multiple content contributions, including a first stack representation of the first content contribution; and event representations of multiple preference events, including a representation of the first preference event; wherein the representation of the first preference event moves toward the first stack representation; causing the first stack representation of the first content contribution to increase in size for each positive preference event received regarding the first content contribution; causing the first stack representation to decrease in size for each negative preference event received regarding the first content contribution; and causing the stack interface to scroll horizontally to display a second stack representation of a second content contribution.