The Breathing Wall
'The Breathing Wall' is told using text, image and sound. The piece you find here is a web-taster; make sure you turn on the sound on your computer before you look at it. The whole piece was originally available for purchase on a CD.
The story is told in parts, alternating between day-dreams (which reside in Flash movies) and night-dreams. The night-dreams reside within the Hyper Trance Fiction Matrix, an experimental software that allows the story to respond to the listener's rate of breathing. To experience the piece you must listen to it through a headset with a microphone: the software works by monitoring your rate of breathing. A selection of screenshots from the full piece is available here.
Technical requirements: PC only, Flash Player 6 or above, sound.