From Wikipedia:
Cloud computing is the provision of dynamically scalable and often Virtualised resources as a service over the Internet on a utility basis.Users need not have knowledge of, expertise in, or control over the technology infrastructure in the “cloud” that supports them.
Cloud computing services often Provide common business applications online that are accessed from a web browser, while the software and data are stored on the servers.

If you can not see the video go to: The Future of Cloud Computing

Why don't you make one?