A method of displaying information on a display associated with a cellular telephone, the method comprising: displaying information from at least a first of a plurality of stand alone, separately executable standby screen applications on the display while the cellular telephone is in a standby mode; and then automatically selecting a second of the plurality of standby screen applications based on a determination that at least one temporal parameter of a set of pre-defined rules and at least one location parameter of the set of pre-defined rules have been satisfied and automatically replacing the displayed information from the first of the plurality of standby screen applications with information from the second of the plurality of standby screen applications while the cellular telephone remains in the standby mode; and then automatically replacing the displayed information from the second of the plurality of standby screen applications with information from a third of the plurality of standby screen applications while the cellular telephone remains in the standby mode based on a determination that at least one of the at least one temporal parameter and at least one location parameter is no longer satisfied; wherein the second of the plurality of standby screen applications comprises a work-related widget comprising at least one of a calendar widget and a task list widget and the at least one location parameter comprises a work address, and wherein the information from the second of the plurality of standby screen applications is displayed based on a determination that a day is a workday, a time is within the at least one temporal parameter, and a location of the cellular telephone is within a pre-specified distance from the work address. displaying information from at least a first of a plurality of stand alone, separately executable standby screen applications on the display while the cellular telephone is in a standby mode; and then automatically selecting a second of the plurality of standby screen applications based on a determination that at least one temporal parameter of a set of pre-defined rules and at least one location parameter of the set of pre-defined rules have been satisfied and automatically replacing the displayed information from the first of the plurality of standby screen applications with information from the second of the plurality of standby screen applications while the cellular telephone remains in the standby mode; and then automatically replacing the displayed information from the second of the plurality of standby screen applications with information from a third of the plurality of standby screen applications while the cellular telephone remains in the standby mode based on a determination that at least one of the at least one temporal parameter and at least one location parameter is no longer satisfied; wherein the second of the plurality of standby screen applications comprises a work-related widget comprising at least one of a calendar widget and a task list widget and the at least one location parameter comprises a work address, and wherein the information from the second of the plurality of standby screen applications is displayed based on a determination that a day is a workday, a time is within the at least one temporal parameter, and a location of the cellular telephone is within a pre-specified distance from the work address.