I would love to have the ability to say:
MassStorage.begin(); // Enables the device to show as a storage device through USB
MassStorage.end(); // 'Ejects' device and cannot be accessed through the PC or maybe just makes it read-only
This is of course has very little function, but it shows how an SD card could be implemented.
I may have my head up in the clouds, but...i like it up here. :P
(Hopefully this is welcome here. Im not sure what category this fit best into)