Searching for ground truth in IoT

I’ve been reading and writing daily about the Internet of Things (IoT) for about a month, and I have not found ground truth. I’m not new to the field, but now focused on IoT I am trying to find a relative measure of the importance of IoT developments.

One of the definitions of ground truth in the Oxford Dictionary is:

“Information obtained by direct observation of a real system, as opposed to a model or simulation; a set of data that is considered to be accurate and reliable, and is used to calibrate a model, algorithm, procedure, etc.”

Calibrating the development of the IoT with ground truths that match the 20 billion to 50 billion forecasted devices requires a departure into the leap-of-faith lane. This is not pessimism, but a lack of published information that probably does not exist outside of research papers.   

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