Wrote a program, called Enquire, which he called a "memory substitute" for his personal use to help him remember connections between various people and projects at the lab
Also wrote the first web server
Described a theoretical machine he called a "memex," which was to enhance human memory by allowing the user to store and retrieve documents linked by associations. This associative linking was very similar to what is known today as hypertext.
Knew the Web was mostly used by academics and engineers who had access to such machines; called their new browser Mosaic; Mosaic changed to Netscape
Known for coining the term "hypertext." Nelson's system was very similar to that envisioned by Vannevar Bush.
What once may have taken days or weeks of diligent library research now can be accomplished in just a few hours of Net surfing.
An application program created by Bill Atkinson for Apple Computer, Inc. that was among the first successful hypermedia systems before the World Wide Web. It combined database capabilities with a graphical, flexible, user-modifiable interface.