If a man or woman were to witness an incident of poaching in Africa years ago, they would feel powerless not being able to do something. Now if it happens, any witness can call authorities and help the situation. That’s what smartphones are doing in many of Africa’s countries. They’re creating a sense of responsibility, and it’s stopping many injustices such as poaching or deforestation from happening. See here how smartphones and other tech is helping tack some of the continent’s most pressing issues.