Deceptive advertising, or false advertising, is any type of advertising that is false, misleading, or has the effect of deceiving consumers. An ad can be deceptive in many aspects, including: Price of a product. Times, dates, and locations that the product is available. Information regarding warranties etc. Now as the consumer gets attracted,or misleaded by these false ads,he buys the products even if he doesn't needs it, this way it costs to his pocket only.