POPSUGAR Tech Guess Who Guess the Concept Gadget 2010-04-14 15:45:14 Guess the Concept! by Tech 4/14/10 0 Shares Like us on Facebook Sign up for our daily newsletter > Follow us on Pinterest This concept device may look like a Rubik's Cube, but it serves another eco-friendly purpose. Can you guess what it is? Read More Concept GadgetsGuess The Gadget POPSUGAR, the #1 independent media and technology company for women. Where more than 75 million women go for original, inspirational content that feeds their passions and interests.