'Mad Men' pitch to wealthy class

"Pyongyang Spirit: A drink you won't forget after drinking once," reads the text of an ad for a clear, vodka-like alcohol from the Democratic People's Republic of Korea.

Advertising is beginning to emerge as makers of goods try to pitch products to a rising group of consumers and a wealthy class of citizens.

From whitening toothpaste made from natural ingredients to sea-cucumber snacks that claim to fight cancer and tuberculosis, more goods are being sold in colorful ways to the growing wealthy class in the country.