Translation of uneducated in German

Arete means earring. Is it only in Mexico, regional? earring has multiple translations in Spanish, some are regionalism, others not. Arete, pendiente, caravana, and some others. But they are widely understood.
It is called Facebook viral marketing. I'm 62 and it's somewhat mystifying, but my two boys are using it continuously. What I'm a bit afraid of is the personal information they send to everybody. It has no privacy.
In winter it is a great place because you can ski. In the summer I like being in Paris because it is a very empty city in summer. The people head down to the coast, to Nice, Cannes and similar.