Some of us are old enough to remember when having a mobile phone in the car was a technological revolution. Of course it was the size of a suitcase, most of it had to be installed in the trunk of your car and the cost per minute to use it rivaled phone sex sites of later years. Today we don’t question whether someone has a mobile phone or not. 75% of the world has one. In America, mobile phone penetration has hit 96%, with over 303 mobile phones in operation. Here is an infographic from the World Bank showing global mobile phone usage.