1. A computer-readable storage medium carrying one or more sequences of one or more instructions which, when executed by one or more processors, cause the one or more processors to at least perform the following: initiating presentation of a plurality of descriptors to a user, wherein each of the descriptors includes information corresponding to an emotion of the user; initiating presentation of one or more options associated with a selected one of the descriptors; and invoking an application corresponding to a selected one of the options.