"How computers really work."
"It was the change that no-one saw coming: the idea that we could take a book, a painting or a song and send it through cables and wires and even thin air to the other end of the world - and it would be identical on the other side. But this idea underpins everything about the Information Age we live in. This short video essay explores what that idea is and tells you about the man who figured it all out. Computers are everywhere and control almost every aspect of our lives. In the next 6 minutes you'll find out how they really work."