Greenpeace Ads

Advertising on the World Wide Web is a recent phenomenon. Prices of Web-based advertising space are dependent on the "relevance" of the surrounding web content and the traffic that the website receives.
Digital signage is poised to become a major mass media because of its ability to reach larger audiences for less money. Digital signage also offer the unique ability to see the target audience where they are reached by the medium. Technological advances have also made it possible to control the message on digital signage with much precision, enabling the messages to be relevant to the target audience at any given time and location which in turn, gets more response from the advertising. Digital signage is being successfully employed in supermarkets. Another successful use of digital signage is in hospitality locations such as restaurants. and malls.
E-mail advertising is another recent phenomenon. Unsolicited bulk E-mail advertising is known as "e-mail spam". Spam has been a problem for email users for many years.
Some companies have proposed placing messages or corporate logos on the side of booster rockets and the International Space Station. Controversy exists on the effectiveness of subliminal advertising (mind control), and the pervasiveness of mass messages (propaganda).