Cloud computing is a new concept that many confuse with grid computing. This emerging technology incorporates technologies like Software-as-a-Service (SaaS) and Web 2.0 where reliance is on the internet to satisfy a users needs. A few examples would be Salesforce.com, Google Apps and Amazon EC2, where the software resides on servers in the cloud, and users merely access them, most commonly through an internet browser. [...]

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