Cloud computing explained

Cloud computing is invading us. There are ways to look at it and also perspectives to take. Some people say   the cloud is Man's ingenuity writ large and others opine that it is just boring place to back-up tedious email. No matter what view you take cloud is real . Here is a brief explanation on that 

What is 'the cloud'?

"The cloud is a collection of interconnected IT services and infrastructures that are accessible via a network," says Dr M Rajarajan, a reader in information security at City University London. From a user's point of view, anything that backs up and syncs data that's accessible on multiple devices can be said to be a cloud service.

For complete story read here