A few decades back, the only way for humans to connect with each other was through personal communications, postal services, and fixed line telephones. Who would have thought about machines talking to each other and to humans as well? But with the introduction of the internet, and advancement in hardware and communication technology, this has become a reality.
The Internet of Things may be a new topic for many of us but its foundation was laid in 1999 by Kevin Ashton of MIT's AutoID lab, when he coined the term Internet of Things while making a presentation at Procter & Gamble.
Today IoT has become the next revolution in the internet world; it harnesses the intelligence of billions of sensors and connected things, which collect big data to make decisions. See the following figure to understand the evolution of IoT over the last few decades:
