Thanks to Andrew Jones for mentioning this fascinating search tool by google. It allows you to find out where terms are searched for the most around the world and over various periods of time. This would allow you to look for trends and use of terminology to see when and where it spreads based on what people in those regions google and in what years. It even gives you a nifty world map to show you search density by color.
Don’t be fooled into thinking that making disciples is learning a technique and doing it. It can be easy to