What is regarded as the main pusher of the market development. The answer is quite easy, and it is advertising. Loads of money are spent on it, loads of creative ideas and long hours are dedicated to this.
Thomas J. Barratt is said to be the founder of modern advertising, as he was the first to use slogans and pictures, working for the Pears Soap Company.
Interesting feature of 20th century's advertising was that its target audience was women, who were commonly responsible for shopping.
The further development of advertising is connected with the development of telecommunication: radio,TV, Internet.