The signature look of any film reel is its dynamic range and grains. Now we can imitate the same on digitally shot videos. While the dynamic range depends on the camera being used, film grains on the other hand can be added in post.
Film Grains are the new black, the ongoing trend among filmmakers and video editors. Once considered a by-product, but now only when the digital cameras are giving ultra clean videos, we all realized we are missing an important part of filmmaking.