Introduction

C. Greer National Institute of Standards and Technology, Gaithersburg, MD, United States

With expectations for between 50 and 200 billion connected devices worldwide by 2020, the global Internet of Things market is predicted to expand at a compound annual growth rate of over 31%, exceeding $9T by the 2020 milestone.1

Internet of Things (IoT) concepts are expected to drive progress across nearly all sectors of the global economy. GE estimates of the Industrial Internet could add $10T to $15T to global GDP over the next 20 years. Gartner predicts that there will be 250 million connected vehicles on the road by 2020. Navigant predicts that the worldwide installed base of smart meters will grow from over 300 million today to more ...

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