Various methods, systems, and computer program products are disclosed for communicating location-based digital components to a mobile and other devices. A natural language processor component can parse an input audio signal to identify a request and a keyword. A content selector can select digital components based on keyword and request. An audio signal generator component can generate an output signal that includes a selected digital components. An interface can transmit the output signal to cause a client computing device to drive a speaker to generate an acoustic wave corresponding to the output signal prior to occurrence of at least one of the first action and the second action.