Advertising is a valuable economic factor because it is the cheapest way of selling goods, particularly if the goods are worthless.
Sinclair Lewis (February 7, 1885 January 10, 1951) was an American novelist and playwright. In 1930 he became the first American to win the Nobel Prize in Literature. His works are known for their insightful and critical views of American society and capitalist values. His style is at times droll, satirical, yet sympathetic.