Having just spent 2months getting used to the fact that if I squeeze my mouse the screen goes into a window free-for-all, I don’t think I’d want it added to the side of the mouse.
Would it work as a sensor on the palm, or would the pulse not be strong enough there?

Also, I’m not convinced alerts telling you you’re stressed are all that helpful if you are up against a deadline.. I’d like to know more about this one!