David Crystal - Texts and Tweets: myths and realities
20:15
The myth of the native speaker (with David Crystal)
39:48
Full Circle & David Crystal: The Future of Englishes
58:20
Think Fast, Talk Smart: Communication Techniques
7:22
Dealing with accents - David Crystal and Ben Crystal (Part 1/5)
48:38
Cambridge Festival of Ideas - What's new in the English language?
10:56
David Crystal on Texting (S1E2 of It's Only a Theory)
13:51
David Crystal - Will English Always Be the Global Language?
1:00:22