BlackBerry PlayBook 3.0 Concept Tablet is a Clamshell with Keyboard

We’ve just uncovered a relatively new BlackBerry PlayBook concept tablet, actually called PlayBook 3.0 and created by Crackberry user ummie4. We’re dealing here with a very original slate, a clamshell one, that also involves a keyboard, as shown in the image below. PlayBook 3.0 has dual screens and borrows the