The Kno was originally a dual page tablet targeted as a text book reader and study tool. They also offer a single screen version of the this tablet. They seemed to have discontinued this product in favor of an App for the iPad that specializes in textbooks. The following data is from the web site with some verbose claims removed. The name is derived from Knowledge now.
The device features a customized Ubuntu OS, a dual-core ARM Cortex A9 CPU, 512-MB RAM, 16 GB or 32 GB of onboard storage, a micro USB, microphone, and 3.5-mm audio ports. The device has glare-resistant coating and weighs 2.6 pounds for the single screen and 5.5 pounds for the dual screen.
 Hardware Features
- Two large displays (or a single screen). It's book-like and can display a complete textbook without scrolling. Opens flat like a book or folds back on itself as a single panel slate.
- Touchscreens. Navigate two beautiful touchscreens that deliver natural interactions with textbooks and notes.
- Pen stylus. Writing is natural, and our stylus is smooth and effortless.
- Video. HD video resolution that was built for video.
- Multi-tasking. Change learning states instantly. Glide from a textbook to a video, then dash off a note with total fluidity.
- Mobile. A truly mobile device, with batteries to last a full day on campus.
- Compact. Carry eight terms' textbooks, notes, documents and media in a small device.
 Software features
- All in one place. A system completely designed for learning: textbooks, professors' materials, web-based homework systems, everything.
- Versatile textbooks. Write directly on the page, highlight, add sticky notes, and even display two different parts of the book at once – you’ll need to see it to believe it.
- Explore. The Internet and the textbook connect like never before. Look up a word, follow a link from a textbook, watch a video, even e-mail a passage with a question to your professor.
- Write. Revolutionary digital note-taking using natural handwriting or a keyboard. Even drag highlights or graphics from your textbook or the web directly into your notes.
- Browse the web. Full-featured browser supporting HTML5 and Adobe Flash™.
- Rich media. Experience HD video, audio recording and playback, and even more
- Audio and Video playback available with firmware upgrade.
- Single screen: 13.8 inches (35.0 cm) x 9.1 inches (23.1 cm) x 0.55 inches (1.38 cm)
- Dual screen: 13.8 inches (35.0 cm) x 18.3 inches (46.5 cm) x 1.14 inches (2.9 cm) folded.
- dual or single 14.1-inch (35.8 cm) LCD capacitive IPS displays (1440 x 900 each)
- 262,144 colors
- Anti-glare film screen with hard coat surface
- Pen stylus
- Processor and OS
- Nvidia® Tegra™ T200 series CPU
- Dual-core ARM© Cortex™-A9 MPCore™
- CPU speed up to 1.0 GHz
- 512 MB on-board memory
- Ultra-low power
- Operating System: Ubuntu 9.10
- Input and Output
- Micro USB port (client mode only)
- 3.5-mm stereo headphone jack
- Microphone with active noise cancellation 4
- DC power connector
- Memory: 16 GB, 32 GB flash memory (single and dual screen)
- Battery and Power
- Built-in 50.6-watt-hour rechargeable lithium-polymer battery packs
- Up to 6 hours of normal campus use
- Charging via 60 watt power adapter
- Accelerometer – 3 Axis +/- 1.5 g
- Ambient light sensor
- eBook Formats:
- Audio Play Back
- Video Play Back
- weighs 5.5 pounds (2.5 kg), 2.6 pounds for the single screen.
- Price: $599US for the single screen, $899US for the dual screen with 16 GB memory. The 32 GB model costs $100 more.