So Stevia is not that artificial sugar thing they sell elsewhere in the world?
How come they talk about Stevia in Breaking Bad, did the Guaraníes move to Albuquerque?
You should add your comment to your own list of silly things people say.
Here is all you wanted to know:
http://en.wikipedia.org/wiki/Stevia
The short of it is that, no, Stevia is not the same as the artificial sweetener you see in every cafe in Buenos Aires.