For some reason I'm skeptical that the one thing keeping newspaper readers from switching to E-Ink readers is the form factor, but that doesn't make this semi-transparent E-Ink newspaper display concept any less cool.
The key word, of course, is concept, but flexible/foldable displays aren't anything new. Nor are interactive content or E-Ink. It's bringing these concepts together in a workable package that might take some time. Meanwhile, though, here's how it would ideally work (without all the wobbly images):