i think that's focused on the lowest hanging fruit the wrist and accessible body and anat mitch over time the capability of these devices, hardware and software evolve we will be able to tackle -- >> beyond the wrist thinking about something you would wear that rubs against your skin or -- a couple of things? what are you thinking? >> what have we not seep yet that is going to make a difference? >> sure, your imagination can run to all -- to many different disease categories. let's just think about a shoulder injury, right, after a sporting event, reconstructive surgery convenient great to monitor the recovery of that person over time which is both the joint and the muscles that surround it. and many of the functions that happen in that joint and that must musculature could happen from the outside. today, that is not a convenient consumer december at this point nation but could be over time for more medically important issues. >> there are ideas that people i think, have in startups in silicon valley that might be these sorts of things. there is sort of a barrier to entry on this one