From the early 1900s, several innovations and discoveries lead to the path of automation and computerization, but, the actual inventions that lead to the evolution of IoT are:
- Invention of Bar Codes by Dr. Norman in 1952
- Invention of the Internet by Dr. Leonard Kleinrock in 1961
- Invention of RFID by Dr. Mario Cardullo in 1973
- Invention of the wearable heads-up display by Dr. Thad Starner in 1990
IoT was developed by a combination of proven and integrated technologies. Therefore, it underlines the characteristics of scalability, portability, and reliability.