"All walks of life" is a polite fiction. The September in "Eternal September", after all, refers to university intake. "Wherever they might be" is a bit of a cop-out, because they weren't really "wherever", they were in other universities.
It wasn't a coffee shop, it was a strongly walled garden which only very specific groups of people could reasonably access.
Yes, but it was the introduction of easy-to-use 3D printers which actually, rather than theoretically, democratised it. As it was with AOL and Usenet.
[edit]- I found an article from 1987 talking about how amazingly fast (and cheap) the new 2400 baud modems were. I had to chuckle, as I still remember going from 300 (slow enough that your reading speed was baud-limited) to 1200 (wow! I can barely keep up!) 2400 and above was a speed that seemed almost decadent.
But the online services were really freaking pricey.
Here's a price list of online services from the 80s.
Compuserve was $11 an hour.
http://i53.tinypic.com/2janfrd.jpg
http://www.wholeearth.com/issue-electronic-edition.php?iss=1...
https://ineedcoffee.com/the-coffee-house-a-history/
They rapidly became a place where people from all walks of life could, and did, come for lively discussion. And their rapid increase in popularity caused them to collapse from their own success.
Early access to the internet was, by definition, limited to people who were on academic or military networks. But by the time BBS culture came about, it was the thrill of finding like-minded folks from wherever they might be- it was not a culture based on exclusion per se, like what you would find at a country club.