Wealllosekeysandforgetdates, butsomememory lapses can signal somethingmight be seriously wrong... new software may help predict whether it might be Alzheimer's.
Individually, each source may only be weakly associated with something that we want to predict, but by combining attributes, we can create a strong aggregate predictor.
Given the serendipity behind so much innovation, it may seem like folly to predict who will change the world--but we're doing it anyway, if for no other reason than to spark creative discussion.