The file storage is useful and the right thing, and I think that you can easily find people who will be interested in investing in this project
It is really useful as it creates more conveniency in storing important datas and anything. But I don't think so that it is really easy to find people who want to invest in regardless on its main use as a storage system. Though it is one of the reason why it has more advancement compared to other storage system as the old one is just a simple complex of storage capability.