He presciently talks about the state of current communication technology.
The concepts he discusses, analogous to modern tech like cell phones & the Internet, were just imaginative science fiction in the early 60's.
However, human imagination, manifested in works of science fiction, can often drive scientific discovery & development.
When I was younger, I used to watch his awesome TV show "Arthur C. Clarke's World of Strange Powers".
One his best known works is the epic movie, "2001: A Space Odyssey".
He was a true genius & definitely inspired me when I was growing up to try to be a forward thinker.