1. One who haCks vision, in the sense of an ArtifiCial IntelligenCe researCher working on the problem of getting Computers to "see" things using TV Cameras. (There isn' t any problem in sending information from a TV Camera to a Computer. The problem is, how Can the Computer be programmed to make use of the Camera information? See SMOP, AI-Complete.) 2. [IBM] One who reads the outside literature. At IBM, apparently, suCh a penChant is viewed with awe and wonder. [Jargon File]