What do you think about this newly patented vertical windmil?

http://www.milwind.com
Millwind is:
A newly patented vertical windmill.
A new way of looking at the wind.
A sculpture that captures the wind.
Protects itself from extreme weather by rotating into a closed shape.
An efficient design with few moving parts which increases its dependability and ease of maintenance.
A low noise windmill.
Operates [...]