If I were a government spook I’d drool at the opportunity to connect the IP addresses from the most widely used commenting system in the United States (among other things), Disqus, with what I already had gleaned from Facebook, Google, Microsoft, Skype, Dropbox, etc. Disqus has built a system that spans blogs and newspapers across the nation and of late requires detailed “user information” in order to comment on whatever.

Update (2013 June 10): Disqus Privacy Policy Hmmm.сео оптимизацияСеоиконисондаживик услуги