The invention of graphical user interfaces allowed the
World Wide Web to become the
most popular Internet protocol around 1993. Because
of its ubiquity it became the de facto standard platform
for sharing resources. Being structured according to
hypermedia principles (links and nodes) it largely dis-
placed the earlier concept of hypermedia programs
residing in a local computer system. With programs
residing on the Web, they could be tapped from any
place in the world that could access the Internet