But with the ability to “reach” the unreached people groups with ease comes with a price. Missionaries in the world today are constantly facing rapid change in the missionary field and having to adjust quickly to these changes. It is extremely important to know the culture, history, language, economy, and religion of an unreached people group to make an effective impact in reaching these people and leading them to Christ. Today missionaries need full and complete understandings of the UPG in question. A missionary that is trying to reach an unreached group without fully understanding this, and the work that was before them, is unlikely to see any success within in the short term, and can possibly strain the ability of groups to reach these
