All claims about a product's performance must, by law, be based on facts. Advertising from reputable companies reflects this. Advertising influences the quality of products. Advertising tends to increase product quality. With so many competing brands, it is easy for customers to switch.
Competition forces manufacturers to maintain and improve quality or lose repeat sales.
Advertising helps consumers make wise choices. Advertising informs consumers about a product and what it does. Consumers can use this information to compare products and choose those that meet their needs. The key to any successful advertising effort is the product itself.