In this chapter, we discussed what the internet is, what the Surface Web and the Deep Web are, what the Dark Web and darknets are, and observed several types of users of the Dark Web. We learned that in addition to being non-indexable, the Dark Web requires specialized software to access it.

In the following chapters, we'll discuss how to work with the Deep Web, and also discuss working with the Dark Web, a topic that we'll expand on as we go on in the book.