Brilliant business idea: whiteyboard.com

Title smells of "great-because-I-thought-of-it" bias...

What's brilliant about it? Does it exist? How big is it, how sticky is it, where can I buy it, and for how much, does it bubble up like adhesive lettering, does it stick to itself, does it crease when I fold it, how is better than a sharpie and a window, etc etc?

We have this at my office and I'm not a huge fan. Mostly because the little air bubbles are really annoying and nearly impossible to avoid. The surface also doesn't clean up that well. Very much prefer ideapaint - http://www.ideapaint.com/