Who controls the English Language ?

David Crystal, who was born in Lisburn, Northen Ireland in 1941 and nowadays is the honorary professor of Linguistics at the University of Wales, Bangor has asked these questions:

 Is control of English shifting away from British and American native speakers? 

 Will English always be the Global Language? 

http://www.davidcrystal.com/biography

Do not miss his talks!You will need about 30m' to watch the videos, ok?  Be ready to write down some of the information that he gives about native speakers and non-native speakers of English while they are communicating.Then you may answer these questions too:

Why is it so important to consider so many different scenarios to answer those questions above?  

How much can the Internet influence people's conversations nowadays?