A recent study from Informa Telelecoms & Media (ITM) estimates that by 2015, more than 1.2 million petabytes of data will be uploaded and downloaded annually around the world. (That's about 7 times the Internet traffic of 2010. The continuing rapid expansion of data flows will be driven by video (accounting for more than half of the traffic) and emerging online storage and back-up services (including Cloud services such as the newly emerging music Clouds (Amazon, soon to be joined by Apple and Google).
Internet traffic levels continue to vary, and grow, differentially around the globe. ITM predicts that by 2015, the Asia Pacific region will surpass the level of US-generated traffic, as a result of increasing internet penetration and the fact that Asian users generate the most traffic. South Korea and Japan enjoy the fastest broadband speeds in the world, and South Korea boasts the world's highest per-head usage rates. Further, China is likely to reach a total of 670 million Internet users by the end of 2015.
Source: "Shifting trends in global internet traffic," telecoms.com
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