It's an interesting issue. Here's an example, the default tabs created by Drupal and the Zen theme are pretty standard, at least from my perspective. (Take a look)
However, recently a professor at a national university told me that if he sees these tabs, he thinks that the "Editar" section is grayed out because it's unavailable -- so he wouldn't bother to click it. I had never thought of it that way.Another prominent example I've heard a few times is genearl unfamiliarity with the Google Maps. Being pretty tech saavy, I take this fluency for granted, and I know what happens if you scroll with your mouse placed over the map. I haven't seen anyone here use Google Maps as the American designers intended them to be used.
Not to mention that the idea of a "social network" is much different than navagating the web more like a book, with a linear lay out and table of contents you can reference. My advisor calls being able to navagate something like a social network "branching literacy". Apparently, this skill isn't very developed in Costa Rica.
Just some food for thought. If you have any tips to suggest, please do!
