I'm serious. The world is rife with things the "don't seem like a big deal" only in retrospect, when people downplay innovations as "no big deal/anyone can do that" when something comes on the scene that a lot of people connect with.
Heck, I feel like your response is the art equivalent of this top comment on the original Dropbox Show HN submission by Drew Houston:
> For a Linux user, you can already build such a system yourself quite trivially by getting an FTP account, mounting it locally with curlftpfs, and then using SVN or CVS on the mounted filesystem. From Windows or Mac, this FTP account could be accessed through built-in software.