Automation, more specifically IT Automation. What is it, who's using it, why is it important?

Lets start with what it is. . . IT Automation is the use of software to create repeatable instructions and processes, also known as a playbook, with the intention of replacing or reducing the amount of human interaction required with IT systems.

But wait. . . Doesn't that mean they're coming for our jobs?!?! No, but it does mean that instead of running around your environment putting out fires, you can spend more time focusing on big picture items and other processes.