It is only when the people of God as a whole are activated in a movement that real world transformation takes place. And so understanding the nature of people movements is essential. When we look at high-impact movements in the Bible and history, we can see that there are two basic elements of a missional movement that can change the world. If one is missing, then the other will not be able to sustain, let alone reach, exponential impact. One dimension relates to what I call the apostolic mission