Early in the twentieth century, the modern era of outdoor advertising began when a mobile society was created with the introduction of the:

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The introduction of the automobile in the early twentieth century led to the modern era of outdoor advertising as people became more mobile and spent more time traveling outside of their homes. This created a greater opportunity for businesses to advertise their products and services through billboards, signage, and other forms of outdoor advertising.

Early in the Twentieth Century, the Modern Era of Outdoor