Dasein

Dasein is an interactive art installation which uses a constructed space, cctv recordings, custom glass and live projections to create a unique and one time viewer experience.

Very interesting use of Video for Everybody, but what really tops the cake is this:
Isn’t that just cute!

Update: The web-developer of the site has kindly made available the original source file used to make this button. The zip file is enclosed in this article.