The person who initially found the envelope is being treated at a Phoenix-area hospital for a pre-existing condition and stress from the event, and others in the immediate vicinity were examined as well.
Lewin, who works with startups and developers worldwide, had much the same perspective, but with a stress on keeping the existing business from developing tunnel vision.
Rebecca Wood, chief executive of the Alzheimer's Research Trust, said it was important to stress that the study only focussed on people with pre-existing memory conditions.