How the iPhone became one of the best-selling products of all time?
If you are asked, which is the most popular mobile phone brand? Does not the name of Apple first come to your mind? You are not alone. Demand Size's research also suggests the same. In the two decades since 2007, the iPhone has sold 2.3 billion units and has 1.5 billion active users. Let's hear this back story today that how the iPhone overthrew all the old brands within two decades.
