Users of Wacom Intuos pen tablets and Cintiq interactive pen displays gain extra benefits by adding an Inkling to their creative toolbox.

ENGADGET: Wacom Inkling smart pen does drawing the old-fashioned way -- sort of (video)

Unlike with other pen-enabled tablets, where you might see air pockets in between the screen layers, this actually comes close to matching what it feels like to write on paper.

ENGADGET: Microsoft Surface Pro hands-on Hands-on

Initial products offerings from E-Fun include the APEN digital pen and Nextbook Android tablets.

ENGADGET: eFun unveils Nextbook 7GP for $130: 7-inch screen, 1.5GHz dual-core processor, Android 4.1

Design a cloud-enabled personal pen that can use tablets as paper, of course.

FORBES: Adobe Rethinks The Power Of The Pen With Project Mighty

Halfway through, I was still using a mouse and then I got into using tablets which use a pen.

BBC: Film poster artists revive a dying craft

Samsung used last year's show to show off tablets operated with a pen, so we'll probably see some more of those.

CNN: Five things to look out for at biggest mobile tech show

It was an okay device, when push came to shove, with useful features like a full-size USB port, 1080p output and pen support -- a rarity on Android tablets.

ENGADGET

Introduced in 1991, Windows tablets were heavy, thick, expensive, fragile, and required a pen to operate.

FORBES: The iPad's Uncontested Enterprise Run Is Over

According to Wacom, its share of the global pen tablet market stands at a whopping 85 percent, and its sales of its components for use in smartphones and tablets have nearly doubled from 2011 to 2012.

ENGADGET: Samsung buys five percent stake in stylus-maker Wacom, strikes manufacturing deal