Tracking people when they're gone - or noticing before they've left? I spent the weekend researching various technology offerings that might prevent an 87-year-old able-bodied person with dementia from wandering beyond a specified area in independent or assisted living campuses. I've looked into it -- and I have to say, I am disappointed -- the hype exceeds at least my research reality.That GPS shoe hyped in the press? I just called Foot.com -- it will be out now in the Spring, 2011. Geo-fencing devices like SentryGPS, Alzguard -- require placing a device in the pocket that is easily discarded into the trash by a wandering senior. LoJack, EmFinders, The Alzheimer's ComfortZone, etc. all help find a person who is already lost -- and require involvement of local police departments. And based on Internet searching of the 'geo-fencing' ideas, the websites and references indicate to me that they aren't that widely deployed. >>> Read more . . .