http://go-to-hellman.blogspot.com/2015/06/protect-reader-privacy-with-referrer.html <http://go-to-hellman.blogspot.com/2015/06/protect-reader-privacy-with-referrer.html> I hope this is easy to deploy on library websites, because the privacy enhancement is significant. I'd be very interested to know of sites that are using it; I know Thomas Dowling implemented a referrer policy on http://oatd.org/ <http://oatd.org/> Would it be a good idea to make it a required practice for libraries? Eric Hellman President, Gluejar.Inc. Founder, Unglue.it https://unglue.it/ http://go-to-hellman.blogspot.com/ twitter: @gluejar