In an exemplary method, a media service personalization system directs a media service access device to operate in accordance with a shared mode of operation when user interaction with the media service access device is by way of a shared user input device and directs the media service access device to operate in accordance with a personal mode of operation when user interaction with the media service access device is by way of a personal device specific to a user. In certain examples, the media service personalization system may switch between directing the media service access device to operate in accordance with the shared mode of operation and directing the media service access device to operate in accordance with the personal mode of operation based on a status of a remote control session between the personal device and the shared media service access device.