Hypertext is all very well but it can be pretty hard to follow any kind of narrative message when you click on a word somewhere in a paragraph and get transported to a whole new webpage -or even a completely different site.
To help avoid this disorientation, today’s invention is an alternative. Clicking on a link within a body of verbage would simply cause the linked-to material to be substituted, by insertion, where the word used to be (perhaps in a contrasting colour). This would be effectively in-page word processing via Javascript.
The insertion might be a definition, an image or a short section of additional explanation (It might even be a translation into a different language or a kids’-vocabulary version). This whole level of functionality could be switched on or off in the browser of course.