Advertisement usually takes in the form of calligraphic signboards and inked papers.
Non-profit organizations may use free modes of persuasion, such as a public service announcement.
Advertising may also be used to reassure employees or shareholders that a company is viable or successful.
Modern advertising was created with the techniques introduced with tobacco advertising in the 1920s, most significantly with the campaigns of Edward Bernays, considered the founder of modern, "Madison Avenue" advertising.
Commercial messages and political campaign displays have been found in the ruins of Pompeii and ancient Arabia.
Lost and found advertising on papyrus was common in Ancient Greece and Ancient Rome.
Wall or rock painting for commercial advertising is another manifestation of an ancient advertising form, which is present to this day in many parts of Asia, Africa, and South America.The tradition of wall painting can be traced back to Indian rock art paintings that date back to 4000 BC.In ancient China, the earliest advertising known was oral, as recorded in the Classic of Poetry (11th to 7th centuries BC) of bamboo flutes played to sell candy.Sponsors of advertising are often businesses who wish to promote their products or services.Advertising is differentiated from public relations in that an advertiser usually pays for and has control over the message.It is differentiated from personal selling in that the message is nonpersonal, i.e., not directed to a particular individual.