While the notion lingers that “the internet is forever,” it can also feel like it’s written on water. If you’re an internet-based creative, the company that publishes your writing or exhibits an online gallery of your work can suddenly fold (see: Gawker or Game Informer), migrate content management systems, or simply unpublish older work. In that case, the article you researched for a month, the story you carefully constructed, or the gallery of photos that you painstakingly put together could, in that moment, be forever unavailable. And if you’ve linked to your work in a blog or social network, that link has now become useless.
So what do you do? You can save a PDF of each of your works to a local drive, an online storage service, or to...