Man of Honour
War of the Worlds always gets me. This man in the 1800s talking about flying saucers and technology way beyond anything he could have seen, 100 years later and still influencing modern culture and technological advancement. What's to say the thought of a self aware computer doesn't actually bring on its concept? Terminator could shape the future.
You could say the same about the Bible. People still believe something that was set down by man thousands of years ago.
It has a bigger influence on modern culture too.
Shut down the servers responsible for the 13 root domains
Not entirely sure if it then expires or just cached, but it would appear to kill any updates.
Pretty easy to replace if you know what you're doing and are a machine that can plug into it...