This is my term for people like Paris Hilton--they have no mental or intellectual skills whatsoever save one, which is a hyper developed ability to socialize. Can you think of anyone else like this?
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"It must be understood, that neither by word nor deed had I given Fortunato cause to doubt my good-will. I continued as was my wont, to smile in his face, and he did not perceive that my smile was at the thought of his immolation."
Edgar Allan Poe, The Cask of Amontillado