A recent feature of HN actually uses this trick. If you look on the comments page for any article, there's a series of links: "flag | hide | past | web" and so

A recent feature of HN actually uses this trick. If you look on the comments page for any article, there's a series of links: "flag | hide | past | web" and so on. The link labeled "web" takes you to a web search for the title of the submitted article, so that you can bypass the paywall. I agree it's very silly.