Admob is the world’s leading supplier of iPhone and iPod touch ads. According to their study, based on 25 million devices, the iPhone is most popular in the US, but not only. The number of sales has risen in many other countries as we can see on the diagram. This chart presents the spread of iPod touches and iPhones around the world. On the top of the rate, next to the US are the UK and France. As it seems, the percent of the sales is bigger in countries where the iPhone has been present since the iPhone 2G.