First, advertising gives us information that we need. For instance, if you want to but a new appliance or a new car, you can look for the best "deals" in ads that appear in newspapera, in magazines, on television, or even on the radio. These ads give you details about the product and help you find out where you can get the best price for someting. You don't actually have to go to lost of different stotes. So, in this way, advertising provides a service for the consumer.