Outdoor Advertising facts

While investigating facts about Outdoor Advertising Companies and Outdoor Advertising Association Of America, I found out little known, but curios details like:

Hawaii has a law that prohibits any person from erecting, maintaining, or using a billboard or displaying any outdoor advertising device.

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The city of Sao Paolo passed a "Clean City Law" a decade ago banning outdoor advertisements. Over 300,000 ostentatious business signs, billboards, posters, bus and taxi ads were taken down. Removing ads revealed civic issues, including hidden slums previously masked by adverts.

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In my opinion, it is useful to put together a list of the most interesting details from trusted sources that I've come across answering what is the primary disadvantage of outdoor advertising. Here are 14 of the best facts about Outdoor Advertising Examples and Outdoor Advertising Signs I managed to collect.

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1. 4 states (Vermont, Alaska, Hawaii, and Maine) have laws prohibiting the use of outdoor advertising with billboards.

2. The city of Sao Paolo implemented a "Clean City Law" in 2006, which banned all outdoor advertisements. No billboards, no ads on buses, no posters. This 'uncovered' problems such as illegal workers living in bad conditions but also lead to more street art and more visible city architecture.

3. David Ogilvy, a founder/forefather of modern advertising, despised outdoor ads: "Man is at his vilest when he erects a billboard. When I retire from Madison Avenue, I am going to start a secret society of masked vigilantes... chopping down posters at the dark of the moon."

4. In 2007 São Paulo, one of the largest urban areas in the world, passed the 'Clean City Law' banning all kinds of outdoor advertisements, from billboards to pamphlets - the mayor said it "came from a necessity to combat pollution . . . of water, sound, air, and the visual."

5. São Paulo, Brazil became the first city outside of the communist world to put into effect a radical, near-complete ban on outdoor advertising.

6. In 2006 the mayor of São Paulo banned all outdoor advertising, including pamphleteering and ads on billboards and public transit.

7. São Paulo, Brazil has banned outdoor advertising

8. French company JCDecaux, the largest outdoor advertising corporation in the world, offers cities public bicycle rental systems in exchange for 10 year licenses to exploit city billboards. Adopters include Paris, Vienna, Dublin and Brisbane.

9. Sao Paulo effectuated a complete ban on Outdoor advertisements in 2007 as a response to an overwhelming and visually distracting agglomeration of signage.

10. Gilberto Kassab, the former mayor of São Paulo, Brazil forced 15,000 billboards to be taken down after proposing a law named 'CIdade Limpa', whereby advertising such as that of outdoor posters are prohibited.

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You can easily fact check billboards why outdoor advertising by examining the linked well-known sources.

The city of Sao Paulo passed a "Clean City Law" a decade ago banning outdoor advertisements. Over 300,000 ostentatious business signs, billboards, bus and taxi ads were taken down. Removing ads revealed civic issues, including hidden slums and unpainted architecture previously masked by adverts.