<story><title>Brokers use ‘billions’ of data points to profile Americans</title><url>http://www.washingtonpost.com/business/technology/brokers-use-billions-of-data-points-to-profile-americans/2014/05/27/b4207b96-e5b2-11e3-a86b-362fd5443d19_story.html</url></story><parent_chain><item><author>nthitz</author><text>Quick google search found this document detailing the various groups and clusters that one of these brokers uses.&lt;p&gt;&lt;a href=&quot;http://reference.mapinfo.com/software/anysite_segmentation/english/2_0_1/PersonicX_Binder.pdf&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;reference.mapinfo.com&amp;#x2F;software&amp;#x2F;anysite_segmentation&amp;#x2F;e...&lt;/a&gt; [pdf]&lt;p&gt;Which cluster do you fit in?</text></item></parent_chain><comment><author>superuser2</author><text>Slightly tangential, but I feel like a few people on HN would appreciate this Vienna Teng song, named for the company that wrote the document you posted.&lt;p&gt;&lt;a href=&quot;http://www.youtube.com/watch?v=0mvrKfcOnDg&amp;amp;feature=kp&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;www.youtube.com&amp;#x2F;watch?v=0mvrKfcOnDg&amp;amp;feature=kp&lt;/a&gt;</text></comment>
<story><title>Brokers use ‘billions’ of data points to profile Americans</title><url>http://www.washingtonpost.com/business/technology/brokers-use-billions-of-data-points-to-profile-americans/2014/05/27/b4207b96-e5b2-11e3-a86b-362fd5443d19_story.html</url></story><parent_chain><item><author>nthitz</author><text>Quick google search found this document detailing the various groups and clusters that one of these brokers uses.&lt;p&gt;&lt;a href=&quot;http://reference.mapinfo.com/software/anysite_segmentation/english/2_0_1/PersonicX_Binder.pdf&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;reference.mapinfo.com&amp;#x2F;software&amp;#x2F;anysite_segmentation&amp;#x2F;e...&lt;/a&gt; [pdf]&lt;p&gt;Which cluster do you fit in?</text></item></parent_chain><comment><author>ohhnoodont</author><text>I would assume that document to be satirical if it weren&amp;#x27;t so thorough.</text></comment>