When we were preparing for the social networking thrust for the Third Lausanne Congress in Cape Town we tried very hard to build relationships with people across a variety of social networking platforms.
Communication across a variety of platforms is key! In the social networking world being able to find where people are 'located' is as important as being able to speak their language! If you speak Chinese on facebook it will reach a few million people, but if you speak English on Qzone you may reach more! Of course if you speak Chinese on Qzone you'll be able to reach hundreds of millions of people!
So, here's a very interesting infographic that shows what social networking platforms are popular in different regions of the world.