Luke W (a.k.a. Luke Wrobleski) gives us a brief and informative breakdown of the Apple Watch UI and interaction model, with recommendations for improvement. I really like his take on the suggested model of use: notifications, glances, apps.
Not an owner of an Apple Watch, yet, I can appreciate how iPhone owners (myself included) would look for a similar interaction model to access information. It only makes sense, right?
ittybittyusability 