Screenshot for potential future confused HNers when Polymath realizes it and uses a real CDN: http://i.imgur.com/A8JzHtK.png
Thank you. At first, I didn't see anything of interest and briefly wondered why I was at a site that had nothing to do with the HN subject. It hit me that the submission was to a demonstration rather than an article, so I temporarily instructed Noscript to allow all domains used by the page. Sure enough, now the banner appeared. But that speaks to another reason to not use too many scripts hosted by third-parties. It…
The problem with Noscript is that it doesn't seem to differentiate between allowing a domain when it's actually a site you're visiting (say, facebook.com) and when it's a domain that a completely different site is trying to load content from. A straight whitelist is too "dumb" for today's web.