“Reality TV” was one of the most significant new program developments of the new century, though the genre is in fact nearly as old as the medium itself. Live variety shows had taken cameras into the streets in the 1950s, and Candid Camera, which surreptitiously filmed people responding to elaborate practical jokes, debuted on ABC in 1948 (with stints on all three networks until 1967, its longest tenure coming on CBS [1960–67], before it was revived in 1989–90 and again in 1998). With the appearance of Real People (NBC, 1979–84), however, the genre began to thrive. Called “infotainment” by some