Seadragon ... 

Seadragon is an incubation project resulting from the acquisition of Seadragon Software in February. Its aim is nothing less than to change the way we use screens, from wall-sized displays to mobile devices, so that visual information can be smoothly browsed regardless of the amount of data involved or the bandwidth of the network. A clever upcoming software technology, which will probably have a many applications.

It can for example come up with an accurate multidimensional
representation of a cathedral using the collective visual memory as its
seed (photos & drawings from the web), as shown in this demo:

http://www.ted.com/index.php/talks/view/id/129