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        2. Machine to Machine (m2m)

  • Machine-to-machine communication, or M2M, is exactly as it sounds: two machines “communicating,” or exchanging data, without human interfacing or interaction. This includes serial connection, powerline connection (PLC), or wireless communications in the industrial Internet of Things (IoT). 
  • Examples of M2M communication in this case would be vending machines sending out inventory information or ATM machines getting authorization to despense cash.
  • M2M can refer to any two machines—wired or wireless—communicating with one another.
  • machine-to-machine communication makes the Internet of Things possible. 
  • M2M is among the fastest-growing types of connected device technologies in the market right now, largely because M2M technologies can connect millions of devices within a single network. 

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