Yes, but she only spread knowledge that was already known in China, the Islamic world and elsewhere.

I've been thinking about this lack of choice especially around documentaries. There are so many brilliant examples but to access them is hard work. Our choice over what knowledge we can consume is becoming limited in this way as well.

Quite a bit even in 12 years. In my first school it was just a focus for year heads. Introduction of Cpoms and similar has been the biggest change.