I guess that Internet is a very powerful catalyst in the evolution of languages. This evolution, however, not always takes place to please everybody. For example, I estimated, analyzing some of my emails and a considerable percentage of any kind of messages containing Spanish text, from the past year, comparing the occurrence of
¿, that the opening question mark is no longer being used. The hits (which I didn't count but manually/visually) of the latter were less than the half from those of the former sign.
This, of course, has no validity. But it motivates the question:
¿in danger of extinction?
Concretely, are there serious studies, with a broader sampling and a time-dependent plot showing presumably a trend for the use/disuse of
¿ is going extinct, let's save it!