Reference works such as encyclopedia had always links also in printed form. When and with which systems did these reference works become hypertext (before the Web)?
It looks like there have been some interesting services in the 1980s. How did they compare and connect to other hypertext systems?
Reference works such as encyclopedia had always links also in printed form. When and with which systems did these reference works become hypertext (before the Web)?
It looks like there have been some interesting services in the 1980s. How did they compare and connect to other hypertext systems?