Full wall screen suggestions and Future

3 November 2013
Hi all,
Have been pondering the thought of a full wall screen with transitions for quite some time.
This would be something similar to screens on multiple science fiction movies, which can change based on mood and timing of the day.
An example shot from the movie "Cloud Atlas" with the Flower trees in background has been attached.

1. What are the various options available currently? What is the cost implication for a 10X10 ft wall.
2. Which are the promising options available in future?
3. I saw one video somewhere which had transparent screen, which can be turned opaque using a switch and thus can be used as a projector. Though this is not the same as I expect, its definitely a cheaper option.
4. Are there any other innovative options available?

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