Having recently helped somebody through their Post Grad course it may be worth adding some context to this. It's quite common for courses like these to require a student to write a course diary, or in other words a blog post. This is for personal reflection on the material given and to verify with their tutor that they are understanding their lectures and other course materials.
The course materials related to the subject will be marked rigorously, but the blog posts will not require the student to maintain a high level of English in their construction.
 

I saw them demo this live a couple of years ago. It's very impressive, but despite the post title they're not thinking about using it for domestic use any time soon, it's aimed at digital cinema and outdoor events and won't be commercially available till about 2025. What they are proposing is the standard to be ratified by 2015.
This was the same company that demo'd HD TV in the early 80s and people thought it was at least 10 years away from being commercially available, they misjudged by over 10 years. They know their technology but not their lead times. Like most companies in this sector.