Viewers may be able to have unprecedented control over what. (computer chips in television sets to control allowable program content) (Brief Article)

Viewers may be able to have unprecedented control over what comes into their homes through television sets even if the networks don't adopt a ratings system, according to Yellowstone Environmental Science of Bozeman, Mont. The company says it's working on a computer that would make use of pattern-recognition technology developed for the military. The computer would recognize …