Communities of practice are formed by people who engage in a process of collective learning in a shared domain of human endeavor, groups of people who share a concern or a passion for something they do and learn how to do it better as they interact regularly.
Alternatively, Human capital is a collection of resources—all the knowledge, talents, skills, abilities, experience, intelligence, training, judgment, and wisdom possessed individually and collectively by individuals in a population or organization.
(Source: Wikipedia - https://en.wikipedia.org/wiki/Human_capital)
The Internet of Things (IoT) is a computing concept that describes a future where everyday physical objects will be connected to the Internet and be able to identify themselves to other devices. The term is closely identified with RFID as the method of communication, although it also may include other sensor technologies, wireless technologies or QR codes.
The IoT is significant because an object that can represent itself digitally becomes something greater than the object by itself. No longer does the object relate just to you, but is now connected to surrounding objects and database data. When many objects act in unison, they are known as having "ambient intelligence."
(Source: Techopedia - https://www.techopedia.com/definition/28247/internet-of-things-iot)