For most of us, it probably seems as if the battle for smartphone supremacy has already been decided. You know the typical gospel that Apple (AAPL 0.53%) and Google (GOOGL -1.51%) together have won the day. And although there certainly is some truth to that, it's important as investors to remember that the global smartphone market remains very much in its infancy, as a recent study reiterated. What does this mean for investors? Where's the opportunity going forward? Find out more in the following video.