Or maybe they exist symbiotically? And the role advertising plays is to accelerate the feedback loop in a way that&#x27;s beneficial to the interests of their employers.<p>Not to mention, advertising often has been used to create markets out of thin air:<p><a href="http:&#x2F;&#x2F;www.theatlantic.com&#x2F;past&#x2F;issues&#x2F;82feb&#x2F;8202diamond1.htm" rel="nofollow">http:&#x2F;&#x2F;www.theatlantic.com&#x2F;past&#x2F;issues&#x2F;82feb&#x2F;8202diamond1.ht...</a>