Can't embed the video so just follow the link.
Photosynth is an emerging image and data processing system being developed by Microsoft Live Labs. It promises to add a multiverse of depth to online and perhaps offline photo research. Think exponential hyperlinks, layered over and around each other through tags and other metadata.
The video's "punchline" features a 3D model of the Cathedral of Notre Dame rendered from the aggregate collection of Notre Dame photographs on Flickr. See what happens next.
Na-excite na naman ako.