On her sixty fourth birthday, in 2012, the conceptual artist Adrian Piper "retired from being black." She posted a digitally altered portrait of herself, rendered in grey scale, and included a message beneath: "Henceforth, my new racial designation shall be neither black nor white however somewhat 6.25% gray, honoring my 1/sixteenth African heritage," Piper wrote on her web site. "Please be part of me in celebrating this thrilling new journey in pointless administrative precision and futile institutional management!"
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