Interesting that "cyberspace",starting a few years after "hypertext", seems to be following almost the same trajectory. https://books.google.com/ngrams/graph?c

Interesting that "cyberspace",starting a few years after "hypertext", seems to be following almost the same trajectory. https://books.google.com/ngrams/graph?content=hypertext%2C+cyberspace&year_start=1960&year_end=2015&corpus=15&smoothing=3&share=&direct_url=t1%3B%2Chypertext%3B%2Cc0%3B.t1%3B%2Ccyberspace%3B%2Cc0 https://books.google.com/ngrams/graph?content=hypertext%2C+c...