(1) How long have you been making installations?
3 years.
(3) What do you think of your own works?
Important ideas conveyed as well as entertainment.
(9) How does environment affect the installation of the work?
A great deal.
(12) What do you think of preserving an installation?
Very problematic.
(14) How does copyright apply to installations preserved only in documents?
The documents are copyrightable.