Mobile technology has gone through many different evolutions to get to where it is today. In the industry, we often refer to these evolutions as “generations” or simply “G,” which refers to the maturity and capabilities of the actual cellular networks. The cellular network is only one element of the overall mobile ecosystem, something discussed in Chapter 2. To make sense of it all, you cannot rely on the common convention of network generations, as those milestones are too focused on the network and not the true cultural milestone that is shifting how people use technology.
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