How Tech Tools Transformed New York’s Sex Trade | WIREDSkip Article Header. Skip to: Start of Article. Sex in the city: Then and Now Red-light districts were commonplace in big cities throughout the 20th century. But in recent years, New York City has seen the midtown areas with high concentrations of sex workers empty out. The trade has moved indoors and diffused into more-upscale districts downtown. Distribution of Prostitution Low Density
