Discuss sites that users pay for with data. (#436)

Author: jyasskin

index.html

@@ -2101,6 +2101,11 @@
 unrelated feature, by decreasing the quality of the service, or by trying to cajole, badger, or
 trick the [=person=] into opting back into the [=processing=].
 
+Note that because data is valuable, some sites offer an informed, free, and fair exchange of
+appropriate user information for original content that the site created or paid for the creation of.
+If a user chooses not to participate in such an exchange, denying them access to the site is not
+retaliation.
+
 ## Support Choosing Which Information to Present {#support-choosing-info}
 
 <div class="practice" data-audiences="user-agents">