A researcher is much more likely to be a savvy user who will understand a complexdisplay of search results, as opposed to an encyclopedia user, who may be a young child.
But the technique allows a computer browser to displaycomplex graphics that react to mouse movements, allowing a user to move or look around in three dimensions the way one can in some videogames.
And not all users have the same needs; some prefer a complex, detailed display, and others prefer a simplified presentation that allows a free-form ability to browse.