It's not really that hard, and it's worth figuring out before the privilege of free interaction is taken away from us - along with any expectation of privacy.

CNN: Will your Internet provider be spying on you?

The final result is a smooth yet sophisticated multi-touch interaction between the LG V300 and the user, free from ghosting and glitches.

ENGADGET: LG V300 all-in-one hands-on at Computex 2011 (video)

"The breakthrough UI defines a new language for human-device interaction that is built ground-up for eye-free operation, " said Boaz Zilberman, chief executive officer of Project RAY.

ENGADGET: Qualcomm develops eyes-free smartphone for the blind and visually impaired, calls it Ray

Easy to Use Interface: Offering intuitive digital reading and content discovery, NOOK for Windows 8 is NOOK's first free Reading app to be designed with a "paper" interface created to minimize distractions and encourage deep content interaction and enjoyment.

ENGADGET: Nook app comes to Windows 8 with clean Paper-like design