Meeting the demand for mobile everything

The 21^st century is the era of mobile communications. Consider these stunning facts from Cisco’s 2014 Visual Networking Index (VNI):

• As of 2014, for the first time, the total number of mobile-connected devices in use globally — 7.4 billion — exceeded the world’s population.
• Mobile data traffic in 2014 was nearly 30 times the size of the [entire] global Internet in 2000. The Internet carried 1 exabyte (1 billion gigabytes) of traffic in 2000, and in 2014 mobile networks carried nearly 30 exabytes of data traffic.
• Almost half a billion new mobile devices, 88% of which were smartphones, were added in 2014.

In the U.S. and in many other countries, cellphone use has become all but universal. In this country, the penetration of cellphone subscriptions is now 104%, meaning that there are more subscriptions than people. In a number of other developed countries, the penetration rate is even higher.

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