It seems the world today the timing is entirely based on the country. In the U.S. the time it took for regular mobile phones to be supplanted by smartphones is

It seems the world today the timing is entirely based on the country. In the U.S. the time it took for regular mobile phones to be supplanted by smartphones is ridiculously small yet the same cannot be said for many countries in the world. It seems to me that countries slow to make progress in tech will be the victims of it initially. It won't take that long to do so once the economic and logistical aspects of are ironclad.