Google and Amazon do pay taxes to their host country. They are part of the monetary exchange system and actually pay way more taxes than you think.
Platforms and Forums are even described in Science Fiction books of the 1950's. Again no prediction there. One can only connect the dots. As long as online communication existed it would't take much to predict that whatever activity was happening outside, will happen inside the cyberspace.
Actually everybody saw it coming. You are just shilling a book for re-marketing the obvious. I wrote a paper similar to this book back in 2001 for a philosophy class. I got the idea from Arthur C. Clark.
I am not trolling you about the book. I am pointing out your historical gaps that made you think that the book was an original idea. It is not. Most of it has been said during the 1990's.
Here is an extra something to chew upon
(I changed the picture above. Posted a book to see how much copy-pasta your book has)