The AI-based art/research interactive drama project Facade has been released to the public. Facade was exhibited on the art ferry at ISEA last year.
Download it for free at http://www.interactivestory.net. Here is an announcement for its release.
Facade requires Windows XP / 2000 / ME, on a computer 1.6 GHz or faster, with 256MB or more of RAM and 1.0GB of hard disk space. A Macintosh version is planned for some point in the future.