We have these ads for the same reason that bright sugary breakfast cereal is placed on the lower shelves in the grocery store. Children pester their parents for

We have these ads for the same reason that bright sugary breakfast cereal is placed on the lower shelves in the grocery store. Children pester their parents for the cereal, and people pester their doctors for Viagra. But the children/people have to know about the product before the pestering can happen.