Abstract: According to one embodiment, a method, computer system, and computer program product for head-driven, self-captured photography is provided. The embodiment may include detecting a trigger event performed by a user while the user is interacting with a virtual environment. The embodiment may also include displaying a virtual camera within the virtual environment. The embodiment may further include modifying a location, a distance, and an orientation of the virtual camera in relation to the user based on a plurality of facial movement trigger events by the user. The embodiment may also include capturing one or more images using the virtual camera at the location, the distance, and the orientation based on a facial movement trigger event within the plurality of facial movement trigger events.

Abstract: In a warning method of screening applications executable executed by an electronic device, at least one executable file of an application is screened and compared with advertisement features in an advertisement feature library. The application is determined whether to include one or more advertisements. When the application includes one or more advertisements, a sign is marked on an icon of the application which is displayed on a display device of the electronic device. When receiving an instruction to execute the application which includes one or more advertisement, a warning massage is outputted to request for confirmation to execute the application.