Do you save your manuscripts in the "cloud?"
The cloud isn't in the clouds. It's in a huge room with huge computers saving all our stuff. If that area is zapped with a problem -- there goes the stuff in our 'cloud.' That's why I hate that Apple has now taken all the stuff that previously had only been in my computer memory and put it into the 'cloud' which means I can't access it if I'm not on Internet. Making it useless for me when I'm in the deep woods on a writing retreat.
Luckily Dropbox lets you work on your manuscripts already on your computer when you have no internet and then will update their cloud base whenever you get to a place with internet and turn your computer on.