Here’s a history of the Internet. Just remember that the edge is about 5 years in front of most users. Some of this technology existed, but most of us couldn’t access it.
1965 Email between mainframes.
1965 The Arpanet. A limited web designed for file sharing.
1970 WYSIWYG web.
1973 TCP/IP protocals for file sharing
1980 Usenet. Useful but limited
1980 Real time chat
1980 HTML and HTTP by Tim Berners-Lee and friends. For file sharing more easily
1990 Search engines
1994 Wikis
1996 Bookmarking
1997 Blogs
2000 RSS
