These are the hypertext connections between Web pages. This is a synonym for hotlinks or hyperlinks. This is a kind of robot moderator that controls distribution of messages on the list. In many cases, it also maintains indexes and archives of past postings in a given discussion group, which can be handy if you want to get up to speed with a discussion or just search for some information. Mosaic lets you import pictures, sound, and text.
Smells are still in the works.
People with similar concerns, hobbies, thoughts, whatever communicate with each other in Cyberspace. On the other hand, e-mail communication is delayed. Since the net has hundreds of databases, which include thousands if not millions of pages of information in them, it becomes a daunting task to find the information that you want. Hours could be spent aimlessly wandering through the net without anything productive being found. Try a Veronica search of Gopher resources.