NPR has this cool story about a new trend among mobile app developers: humanitarian causes. A recent hackathon event sponsored by Microsoft challenged a group of female developers to figure out ways to combat human trafficking. The feature looks at apps like “Blossom”, which is meant to be a covert way for victims of human trafficking to get help, and even some start-ups that are working on apps that could assist Ugandan farmers. As one University of Southern California researcher quoted in the story puts it, “More tech businesses are getting involved in the human rights arena. And it’s going beyond social corporate responsibility and beyond just PR” …