The White House put together a competition last year to try and encourage developers to build mobile apps dedicated to helping stop sexual violence, and a winner of that competition has just arrived in the App Store.
circle of 6 is that app -- it's an emergency notifier that allows anyone to choose six close friends or family members, put all of their contact information in and have it be ready to go, and then be able to send a series of pre-entered texts that can be packed with information about when and where