Summary
ServiceNow is a powerful IT Service Management platform, but it is also a very open platform. There's little you can't do, with ServiceNow; but with this great development power, comes great developer responsibility—and risk! This is what best practices and your development instance, are for. By looking for best practice advice from industry pros on ServiceNow community posts, blogs, and articles online—and by trying out new techniques on your development instance first—you can be more confident in your ServiceNow development and administration decisions.
As you learn more about the platform and how it works, these best-practices will become intuitive and second-nature to you. Keep reading, researching, and learning, and soon you'll be writing technical best practice documentation of your own.
To that end, we recommend another book by the same author as this one: The ServiceNow Development Handbook. This is a short (<100 page) densely-packed...