David: Exaptation is still defined as used or unused as definitions from others I have provided in the past. > > Tony: Doesn't the delicately crafted jewelry that I linked in that article kind of shoot holes in that theory? Jewelry making requires a lot of dexterity for the fine work.-I was referring to a time line older than your article. First you get an opposable thumb, then the fingers become more delicate, the plastic brain wires differently, etc. I was referring to a developmental process as being an exaptation.