We've already seen one prestigious institution reject the Kindle DX, but that's not to say there's no room for someone else's digital textbook in the classroom. Kakai, an undercover startup that we heard whispered about back in April, is slowly but surely removing their own veil. Now, the company has decided to go by Kno (short for knowledge, dude), and will make its public debut at the D8 conference next month. All we've heard so far is that the company's first product will be a Linux-based "foldable double-screened device
