while working on something like this, you really get an appreciation for just how well designed these things are. the key difference was that the successful 3% wrote down their goals in the 1950’s while the rest did not. at its core, it is a reply to the question should i continue to exist or not? the device gives me peace of mind that help is not far if i am alone in my house. we need to be just as careful when we prepare the estimate and scope of services for them. 