What the F*ck is The Dark Web?

Whether it's from dodgy acronym-titled crime shows to news stories designed to terrify you down to your socks we've all heard about sites like Silk Road and the ways criminals use cryptocurrency online. But did you know that among the various shady corners of the dark web you can also find portals to the BBC and Facebook?
The thing is even the way the everyday internet works is a mystery to us and its darkest corners are, of course, more deeply shrouded. So, let's go on a journey from the birth of the Net through the strangest dark services - need a hitman to bump off your superfluous...er...beloved spouse? - to the surprisingly positive uses of dark technology, including dodging the watchful eye of oppressive censors.
Over half of us can't remember a time before the internet - and for the rest it's increasingly difficult to imagine life without the damn thing! It's about time we understood more about it and we can start with the question: What The Fucks The Dark Web?