>They will be relevant up to the point where operating systems simply makes their functionality a native element of their file system. At which point, they bec

>They will be relevant up to the point where operating systems simply makes their functionality a native element of their file system. At which point, they become a service. This is admittedly a wide-eyed optimist ideal, but I would picture most OS' adding basically a "Cloud storage" drive option that allows the user to mount any cloud storage service like a physical hard drive. The "driver" would be the interface protocol between the service and the user, and it would allow the various OS' to use the cloud storage as an additional, fully functional drive. It probably won't happen until the next round of antitrust hearings against everyone(Apple, MS, Debian, Ubuntu, etc.), though...