Internet traffic is set to explode to over a trillion gigabytes over the next five years
Buckle up and hold onto your phones, tablets, digital video clips and Wi-Fi connections, because they're all contributing to a global explosion in Internet traffic. It's expected to increase four times to 1.3 zettabytes by 2016, according to Cisco's VIsual Networking Index Forecast.
That's a lot of traffic and a whole lot of bytes (one zettabyte is equal to a trillion gigabytes).
By 2016, Internet traffic globally is expected to reach 150 petabytes an hour, or "the equivalent of 278 million people streaming an HD movie ... simultaneously," Cisco says.
By 2016, there will be nearly 18.9 billion network connections — "almost 2.5 connections for each person on earth" — compared with 10.3 billion network connections in 2011, Cisco says.
Last year, while PCs "generated 94 percent of consumer Internet traffic," by 2016, that will decrease to 81 percent. Meanwhile, mobile Internet data traffic is forecast to increase 18 times from 2011 to 2016.
There are other factors, too, Cisco says:
•More than half of the world's Internet traffic is expected to come from Wi-Fi connections by 2016.
•Meanwhile, the average fixed broadband speed will increase "nearly fourfold," from 9 megabits per second in 2011 to 34 megabits per second in 2016.
•More video, video, video. By 2016, 1.2 million video minutes will "travel the Internet every second." In 2011, there were an estimated 792 million Internet video users, Cisco says; by 2016 there will be 1.5 billion. For businesses worldwide, "desktop videoconferencing is projected to be the fastest-growing service, with 36.4 million users in 2011, increasing to 218.9 million users in 2016."
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which sounds like a number that really should exist in this context... 
