Using photos of oft-snapped subjects (like Notre Dame) scraped from around the Web, Photosynth (based on Seadragon technology) creates breathtaking multidimensional spaces with zoom and navigation features that outstrip all expectation.

This is fucking astounding.

We're not that far from pervasive social construction of reality.

TED | Talks | Blaise Aguera y Arcas: Jaw-dropping Photosynth demo (video)