The major accomplishment of analyzing illiteracy so far has been the listing of symptoms: the decrease in functional literacy; a general degradation of writing skills and reading comprehension; an alarming increase of packaged language (cliches used in speeches, canned messages); and a general tendency to substitute visual media (especially television and video) for written language.
The Civilization of Illiteracy (ed. Dresden University Press, 1997) - ISBN: 9783931828387