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https://doi.org/10.1080/19393555.2018.1458258
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3. Hans, V.: CEO to Shareholders: 50 Billion Connections 2020. White Paper, Ericsson, April 2010
4. Gartner: Gartner says 6.4 billion connected “things” will be in use in 2016, up 30 percent from 2015.
http://www.gartner.com/newsroom/id/3165317
. Accessed 06 Dec 2016
5. Forbes: 152,000 smart devices every minute in 2025: IDC outlines the future of smart things.
http://www.forbes.com/sites/michaelkanellos/2016/03/03/152000-smart-devices-every-minute-in-2025-idc-outlines-the-future-of-smart-things/#34bf983369a7
. Accessed 06 Dec 2016