Andrew Shermin shares his experience of making a film and using crowdfunding. This summer I shot a documentary about Paris that I produced myself, and am now trying to use crowd-funding to finish it. The concept was simple: a vision of Paris that was taken straight from reality, just a camera and a tripod on the street, offering a vision of the city that both confirms and subverts the fantasy of Paris that different media create. The images are like “moving postcards.” I was able to...