the English mania (two videos)

Have you thought about the reasons why so many people, including you, are learning English?

Jay Walker, an  inventor, entrepreneur and chairman of Walker Digital and curator of TEDMED, explains this in his TED talk, and, being an optimist American, he thinks “English represents hope for a better future”:

But there are more reasons to learn English:

(Who ever said the Germans have no sense of humour?)

Now, what are your reasons to learn and/or improve your English?