Abstract: Provided are a method and apparatus for interactively producing an animation. A user-level contents, for producing an animation, may be queried for and received from a user, and a video script representing the animation may be created by using the user-level contents based on regulation information and animation direction knowledge. An image of the animation may then be output by the playing the video script.

Abstract: An apparatus and method for providing an advertisement image based on user information, the apparatus including: a selection unit to select an advertisement object, from a plurality of advertisement objects, to be applied to a basic image based on user information; and a playback unit to play back an advertisement image generated after the selected advertisement object is applied to the basic image.

Abstract: A method, apparatus, and system for protecting personal information are provided. The personal-information-protecting apparatus is a device for protecting personal information using a pseudonym, and includes a pseudonym-generating unit that generates a pseudonym, a pseudo-public key corresponding to the pseudonym, and a pseudo-secret key, and a verifying unit that verifies that the pseudonym included in a rights object is identical to one of the generated pseudonyms. The device stores and manages metering data and billing information. The system includes a device, a rights issuer, and at least one of a pseudonym credential issuer and a paying center.