I don't have both my laptop and desktop on at the same time most of the time. Therefore syncing between them would happen very intermittently if there wasn't a

I don't have both my laptop and desktop on at the same time most of the time. Therefore syncing between them would happen very intermittently if there wasn't a cloud in the middle. Additionally, I wouldn't be able to get access to my files when I was at my parents without my laptop - which I can do with Dropbox.