Hypertext is a special type of database, on which objects like text, pictures, music,
and videos, could be linked to each other. For example, while reading a document about
space, you might click on the phrase Mars, and this could display Mars pictures, a more
specific article about Mars or even videos about the "red planet. According to
http://www.webopedia.com/TERM/H/hypertext.html , hypertext was invented by Ted
Nelson in the 1960s. He created this electronic text to give the readers more freedom
and to separate from the traditional sequence-writing. Hypertext mainly distinguish itsel…
