[dang]

You're right that that should be the URL. "Please submit the original source. If a post reports on something found on another site, submit the latter." (https://news.ycombinator.com/newsguidelines.html)

But it doesn't make sense to have two threads about this on the front page, so we'll merge them. I guess I'll merge the comments from that one into this one as a crude form of karma sharing.