Exclusivity is a common marketing strategy.<p>The US Marines or the British Parachute Regiment heavily promote their status as an elite corps. Advertising for theme parks and even toys often uses the &quot;Are you tough enough?&quot; trope. The Hermes Birkin bag has become one of the most sought-after items in fashion, precisely because Hermes won&#x27;t sell them to the &#x27;wrong&#x27; sort of people.<p><a href="http:&#x2F;&#x2F;www.npr.org&#x2F;sections&#x2F;money&#x2F;2015&#x2F;12&#x2F;25&#x2F;460870534&#x2F;episode-672-bagging-a-birkin" rel="nofollow">http:&#x2F;&#x2F;www.npr.org&#x2F;sections&#x2F;money&#x2F;2015&#x2F;12&#x2F;25&#x2F;460870534&#x2F;episo...</a>