In the digital age, who would have thought the use of real film would still be thriving?
After all, with a digi-camera you can point and shoot as often as you like and your pictures can be uploaded and shared instantly.
Whereas with real film you need to load it into the camera, there is a finite number of shots and you must wait at least a couple of hours - if not days - for the film to be developed.
Well, it turns out a huge community of photographers love all that stuff - and at least two global companies are driving the hobby.
Al Jazeera's John Terrett reports from New York on what is behind the nostalgia.