"you know what, shiran? "you are a genius. "this is what the world needs. "the world needs to be shocked!" what do you hope to achieve overall? my vision is zero femicide per year. an ecosystem of - hundreds of thousands of start—ups to save lives - of women in their own homes. so we can beat this, _ we can combat domestic violence with technology, - innovation, humankind. we have solved much harder problems than this. - now, many of us may feel quite uncomfortable when we have to unavoidably walk home alone, especially after dark, so shona mccallum has been taking a look at some of the latest technology that is hoping to help keep us safe. there is always that thought at the back of your mind — will i get home safe tonight? between leaving your friends and opening your front door,