14. The non-transitory computer readable storage medium as recited in claim 1 , wherein the one or more selectable mood identifiers and the one or more pre-determined mood identifiers represent the intensity of two or more moods, wherein each mood is represented through the user interface by a shape, and wherein the one or more selectable mood identifiers and the one or more pre-determined mood identifiers are represented through the user interface by portions of two or more shapes.
1. A non-transitory computer readable storage medium comprising instructions for enabling a user to select one or more items from a plurality of items, the medium comprising instructions that, when executed on a computer system, cause the computer system to at least: access through the computer system the plurality of items for selection by the user; present through a user interface of the computer system to the user one or more selectable mood identifiers for selection by the user, wherein each selectable mood identifier among the one or more selectable mood identifiers includes a first range of intensities of at least one mood; enable the user to select a first point within the first range; automatically generate a first span around the first point, the first span including a first subrange of additional points within at least the first range on at least one side of the first point; in response to the user selection, search with the computer system the plurality of items, each item among the plurality of items having been assigned one or more pre-determined mood identifiers by an entity other than the user, wherein each pre-determined mood identifier among the one or more pre-determined mood identifiers includes a second span representing a set of additional points within at least a second range of intensities of at least one mood; as a result of the search, generate a list of items corresponding to the one or more items where the order of the list of items is based on a level of correspondence between at least the first span of the one or more selectable mood identifiers selected by the user and at least the second span of the pre-determined mood identifiers assigned to the items; and present to the user through the user interface the list of items.