Different Types of Advertising: Traditional, Modern, and Futuristic

Public service advertising is a technique that makes use of advertising as an effective communication medium, to convey socially relevant messages about important matters and social causes like AIDS, energy conservation, political integrity, deforestation, illiteracy, poverty, and so on. David Ogilvy once said, "Advertising justifies its existence when used in the public interest - it is much too powerful a tool to use solely for commercial purposes."