&gt; the anomaly is that it &quot;doesn&#x27;t work&quot; on him. The fact is that most people do occasionally buy things because of advertising, particularly targeted advertising.<p>I&#x27;m not so sure.  It&#x27;s quite a big claim to say online advertising is effective on &quot;most&quot; people.  It&#x27;s also quite possible that it&#x27;s not, and that online advertisers are all chasing an anomalous minority population that is not yet ad-blind.