This technology is really cool, too bad it seems like there wasn't much thought put into making an appealing product out of it. Just imagine how much more you could do with a flexible display, rather than just reading PDFs and writing notes. From the video, the UI looks mediocre, and this is just a guess, but I wouldn't expect the software to be great. It feels like Sony just wrapped up a really cool hardware prototype in a shell and decided to sell it, but the whole thing lacks any sort of polish. I can't wait for someone who cares about the details of a product to get a hold of flexible e-ink screens.