Photographer iO Tillett Wright grew up between genders and sexualities. She's shot 2,000 people who consider themselves somewhere on the LBGTQ spectrum and asked many: can they assign a percentage to how gay or straight they are? Most people consider themselves to exist in the grey areas of sexuality, which presents a real problem when it comes to discrimination. Because where do you draw the line? (Filmed at TEDxWomen.)
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