[WalterBright]

> Writing is also a far greater (/ less likely) achievement than many people realise.

The monumental inventions are:

1. writing

2. paper

3. printing press

4. computers

5. internet

because they are ways to store and disseminate knowledge.

[bad_user]

Spoken language is also used to spread knowledge from the wise to the young.

This is sometimes called culture.

[WalterBright]

Spoken language evolved, it wasn't invented.