Over at O'Reilly Radar, Andy Oram tackles the possiblities of a free software cloud.

I like how he defines 'cloud computing' as evolved from the concepts of time sharing and remote backup. [1] It does make sense.

[1]Oram, Andy (December 15, 2010). Defining clouds, web services, and other remote computing. O'Reilly Radar. Archived from the original on 2010-12-19. Retrieved: 2010-12-19.