>Disqus gives these marketers the ability to target users based on their interests. You can infer quite a bit about people simply based on which sites they comm

>Disqus gives these marketers the ability to target users based on their interests. You can infer quite a bit about people simply based on which sites they comment on, after all. Not only that but also they will get a partial browsing history (on subset of websites with embedded Disqus comments) of users which have third-party cookies allowed.