1. An action generating device, comprising: a target receiver operable to receive a location-related specification and a time period-related specification, the time period-related specification specifying time period in which to check for the location-related specification; a location monitor operable to determine current location-related information; a time period monitor operable to determine current time-related information; and an analyzer operable to determine whether a pair of the location-related specification and the time-period related specification is satisfied by the current-location information and the current time-related information, the analyzer further operable to provide notification as to whether the pair of the location-related specification and the time-period related specification is satisfied by the current-location information and the current time-related information.