THE IoT: ” Nearly all of the roughly 50 petabytes (a petabyte is 1,024 terabytes) of data available on the Internet were first captured and created by human beings by typing, pressing a record button, taking a digital picture or scanning a bar code. If we had computers that knew everything there was to know about things — using data they gathered without any help from us — we would be able to track and count everything.””
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http://whatis.techtarget.com/definition/Internet-of-Things