The genre has existed in some form or another since the early years of television (primarily with game shows), but has expanded significantly since Big Brother first aired in 1999.

该类型存在于一些或其他形式的早期以来电视（主要是与游戏节目），但已扩展到第一次播出“老大哥”明显自从1999年。

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The tactic has existed in some form for decades, but the volume of stops increased dramatically under Mayor Michael Bloomberg and about 5 million stop and frisks have been made during the past decade.

WSJ: NYPD street stop policy's critics seek big changes