Fair and true. I've always been a bit scattered across multiple cloud service, for various reasons, so I opted to use software that could sync with multiple an

Fair and true. I've always been a bit scattered across multiple cloud service, for various reasons, so I opted to use software that could sync with multiple and avoid installing so many clients. That said, Dropbox's other maybe-not-quite "killer feature" is that it's exclusively intergrated into a number of applications for settings and data backup/syncing. In those cases, Dropbox's purpose is interchangable, but in practice it's not.