Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Mar 7, 2012
A simple step-by-step tutorial that explains all you need to know on joining and using Twitter, from "Following" friends and posting "Tweets" to "Hash-tagging" and getting the most out of it, brought to you by Al Jazeera Unplugged.
This video was produced before Twitter decided to change its interface.