I'm 29. Single. I live a fairly independent life, and I feel confident enough where it hasn't stopped me from traveling to new places and cities unaccompanied, Even so, I prepare myself for battle every time I go somewhere alone. I used to dial 911 and keep my finger poised on the green "send" button. Now I have a phone app that tracks my GPS and will send my location to the police for an immediate response if I let go of my finger on my phone. I am angry I have...