Microsoft Photosynth is a set of tools for capturing and viewing panorama-like photos. The difference of a “synth” is that it consists of photos taken from various positions, in contrast with typical panoramas that require one fixed position for all photos of the collection.
If consists of desktop applications, phone apps and online and social networking services.
One can download the free iPhone app, shoot photos which are automatically stitched and upload to his/her Photosynth account or share through facebook.
A couple of tests:
Π for panorama
Just before the lecture