My coworker Jay showed me this a few weeks ago. It could be very useful if I were working on a computer from home and I had Internet access at home. However, I'm not interested in having a Internet access at home and I'm not supposed to work from home (for the Library.) But, for someone like Jay who travels a lot and needs to access info for teaching and working in various locations, I can see how useful it might be. But, alas, I probably won't need to use it, yet.
I did try to upload a file that I'm working on with a couple of other coworkers. It didn't translate onto google docs. The formatting was completely screwed up.