Seconded. My parents are in their 90's and I'd be first in line if I could buy one. I've seen many of these be announced over the years but not one has come t

Seconded. My parents are in their 90's and I'd be first in line if I could buy one. I've seen many of these be announced over the years but not one has come to market, whether for the military, the elderly, or the handicapped. It makes me wonder of there is some common problem with these devices that is not easily solved.