Even though Africa is less homogeneous than Europe, it's roughly divided into two halves, the English speaking and the French speaking countries. I would like t

Even though Africa is less homogeneous than Europe, it's roughly divided into two halves, the English speaking and the French speaking countries. I would like to believe it's still homogeneous if you look closely. I think http://en.wikipedia.org/wiki/Mxit http://en.wikipedia.org/wiki/Mxit have managed to scale , with over 40 million users and still counting.