This document discusses implicit bias, which refers to subtle biases that operate below conscious awareness. It notes that 78% of Gen-X people show implicit bias in their responses to a riddle. Implicit biases are developed from things like one's developmental history, negative experiences, and exposure to cultural stereotypes. The document recommends taking implicit bias tests from Harvard regularly to help "deprogram" implicit biases and acknowledges the role implicit biases play in diversity policies and hiring. It provides an example of how Google addresses implicit biases in promotion meetings.