Elsa-Marie D’Silva, founder and CEO of Mumbai’s Red Dot Foundation (Safecity) platform, discusses how data on women’s experiences of sexual harassment and abuse can highlight hotspots and influence policy. Safecity is now the largest crowd map of sexual abuse in India, Kenya, Cameroon and Nepal. Elsa-Marie, who is a visiting fellow on the Foreign and Commonwealth Office’s GURUKUL Programme, explains how this information is used to raise awareness and to help find solutions.