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Mathematician warns US spies may be weakening next-gen encryption
(www.newscientist.com)
This is a most excellent place for technology news and articles.
They need the content to be available for Google indexing reasons, it can only really be blocked through the client.
A smart enough backend system can access/crawl/index it, just like Google can. And then make it available to the public without the front end annoyance.