This video is amazing. http://www.ted.com/index.php/talks/view/id/129. Make sure you watch it through to the bit about Notre Dame Cathedral.
This technology takes the Internet from a predominantly text medium into a visual web of the human experience. Imagine searching the Internet by loading a picture of something rather than typing in search terms, phenomenal.
I need to go an lie in a darkened room for a while, my head hurts.