I can't find the "settings-sign out" option anywhere. Instead, all I'm able to get to is settings-- accounts-- dropbox, and the only option is "remove account." If I go through dropbox-settings, then the only option is "unlink device from dropbox." I can't find any way to just plain sign out. If anyone knows exactly where the "sign out" option is located, PLEASE share, because I don't know how anybody is finding it.