This is, after all, the natural way of technology. It’s defined by creative destruction. Just as the smartphone killed the flip phone, and the iPad is killing the traditional PC, something is going to come along and kill the smartphone.
The early bet on what kills the smartphone is something like Google Glass. Wearable computers are widely believed to be the next computing fad.Could Apple’s Rumored iWatch Be an iPhone Killer?(http://www.entrepreneur.com/blog/225409)