a UI problem and a legal problem. It's difficult to create a service that is accessible to people who barely understand what a file is, and won't be taken over

a UI problem and a legal problem. It's difficult to create a service that is accessible to people who barely understand what a file is, and won't be taken over by pirates and then shut down by law enforcement. The fact that files can only be downloaded once from this new service isn't just a coincidence.