20000 Cables Under the Sea - How Internet and Telecommunications work without satellites

20000 Cables Under the Sea is a 2010 Documentary revealing how telecommunications, the Internet and data is primarily accessed and transferred via Undersea cables and not Satellites.

The world economy and every Internet user hangs on the overseas cables. What actually happens when you enter an Internet address? The film shows how the message reaches the recipient. What happens, if one of the cables in the ocean breaks and how to fix it? How the data cables are produced and laid? What the scientists must think of to get even more data at the same time through these and what role the ominous sea mouse plays in it? How overseas cable technology has changed since the turn of the century and what visions the scientists have for the future?

Source: https://www.youtube.com/watch?v=UnBRlXfYe18