We think of tech as social media or business functions. But tech could serve a higher purpose. It could save lives."One afternoon three years ago while her children were playing in a park, Kristin Mathiesen was nearby trying to use the precious moments she had to organise a way to leave her abusive partner."I had set myself a target to leave him," she explained. "I only had a few minutes to make the call to the refuge but it turned out I needed to make a couple more calls including a national helpline because there wasn't a suitable room, it was so much hassle. I didn't have a smartphone to research anything quickly and in the end I just booked a hotel."" Read more:'I had minutes to make the call': the tech helping domestic abuse survivors