Abstract: A method of chromakey recording, which includes providing, in a scene, a chromakey material which is capable of continued luminance without activating light. The chromakey material is activated and the scene is recorded without activating light while the chromakey material is luminescing. The chromakey material may be an electroluminescent material that is activated by applying electrical energy to the chromakey material. The chromakey material may also be a phosphorescent material, which is activated by applying light to the phosphorescent material. The light is removed from the phosphorescent material during recording.

Abstract: An information server directs users of the information server to desired sources of information where the desired sources of information are determined, at least in part, based on user input. The information server includes a query input processor, a question processor and an answer processor. The query input processor is used for accepting an initial user query. The question processor processes the initial user query to identify a set of possible well-formed questions selected from the question database, where a well-formed question is a question in the database that is coupled to at least one answer reference. The answer reference is typically either an answer or a pointer to a possible location of an answer. In a specific embodiment, the information server is coupled to the Internet so that users can pose questions using a Web browser from any Internet-connected device.

Abstract: A method of chromakey recording, which includes providing, in a scene, a chromakey material which is capable of continued luminance without activating light. The chromakey material is activated and the scene is recorded without activating light while the chromakey material is luminescing. The chromakey material may be an electroluminescent material that is activated by applying electrical energy to the chromakey material. The chromakey material may also be a phosphorescent material, which is activated by applying light to the phosphorescent material. The light is removed from the phosphorescent material during recording.