If we step back to before 1993, publishing and finding content on the Internet was a somewhat obscure, geeky thing that a very few people cared about and very few knew how to do.
It involved gopher servers, ftp sites, archie, veronica, WAIS, USENET newsgroups, etc., and this "World-Wide Web" service primarily demonstrated via the server at info.cern.ch.
It was an amazing period of time for those of us who were there, but the number of users was quite small.
Then NCSA released Mosaic in 1993 ... and suddenly everything changed.
Anyone could create a web page that "regular" people could see on their computers. Anyone could download Mosaic and use it. Anyone could share their sites with the installation of server software.
The Web was truly born into public consciousness... the creation of Web-based content was democratised so that anyone could do it... the creativity of developers was unleashed... a zillion new business models were thought of... and the Internet fundamentally...