Deric Bownd pointed us to an excellent article on why spying is an innate urge in humans, and animals.The power of a pair of eyes is strong. Eyes - even ones carved in wood or drawn on paper - can force subtle changes in behavior. This is why totem poles and Nazar Boncuk's work. Hiding eyes can also provide a feeling of protection; the primary purpose of masks and often the primary purpose of sunglasses. Fascinating, as eyes often are. (more)
