I have been backing up to the cloud for about 7 years but it wasn't until 3 years ago that I switched my thinking: my local files are my backup/cache for the cloud services. At about the same time I switched to Ubuntu Linux because it was cheaper to run than Windows, I was a student 
. The transition was easy because all I needed was a browser.
. The transition was easy because all I needed was a browser. 
From Wikipedia entry on clouds