Photo manipulation is not a strictly modern affliction: people have been editing images to change history and sway voters since the invention of photography.

moking wasn't always unhealthy, at least, in the public eye. In light of societal changes, here are some of the most interesting vintage cigarette ads:

Advertising in the 1920's reflected prosperity, optimism, and total trust in the power of science. Here are 40 ads that show a nation sprinting into the future:

What do bloody severed bunny heads, golden pig-men and children in chains have in common? They're all featured in the amazing photography of Carioca Studio.

Take a quick glance at ads from long ago, and you can see how far society has come. From bogus health claims, to abusive images, here are 33 creepy vintage ads:

Advertising firms are always finding new ways to grab our attention. One Dutch company is using an environmentally-safe method to temporarily tag the sidewalks.

What does a city wiped clean of all advertising look like? Like São Paulo, Brazil, which removed all billboards and other ads from every public surface in 2007.

A faltering economy has forced businesses all over the world to shut down. So how do you keep the local economy alive and attract more businesses? You fake it.

Advertisers take to the streets with ads that turn asphalt, manholes and sewer grates into surprisingly effective marketing platforms.

Ads in unexpected places, like escalators and stairs, can be utterly captivating when they take full advantage of the unusual medium.