(off-topic: only tangentially related to online marketing)
Do check out an incredible incredible incredible demo from Microsoft's Blaise Aguera y Arcas at TED earlier this year. Using photos of scraped from the Web, Photosynth creates 3D models spaces with zoom and navigation features. Truly mindboggling.
Here's the video: PhotoSynth TED demo (The amazing bits start around 2m 40s into clip. )
Here's a live demo on the web: PhotoSynth demo (requires special plug-in to be downloaded first)