This clip from the I.T. crowd sees Jen (the I.T. department "relationship manager") tricked into presenting to company shareholders "the internet" in the form of a small black box. Naturally, when the box is accidentally crushed, the room erupts into chaos, as her audience are truly convinced the internet is broken.
Whilst we may not be as easily tricked into believing such myths about the internet - or indeed have such mischievous colleagues (Jen was previously led to believe if you googled "Google", this would also lead to the end of the internet), how does the internet actually work?
This infographic gives a great overview. If you're interested in learning more, this video on youtube is an excellent place to start.