I wouldn't put my company's documents in the cloud. Google, are you kidding me? Then again most of my work is security orientated. So my experience might differ.
Second, as a developer, I wouldn't give-up pen and paper for doing mathematics and for doodling algorithms and attempts at solving daily problems. I tried to do it on the computer a lot of times but it's just a waste of time and I always end-up focusing on the tools rather on the problem at hand.
From my experience these paperless speeches come from SUV drivers that read about it in this months Corporate Magazine's issue.
Now, unleash the downvotes!