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Shopper vs. Enterprise
Let's be clear right here. We're speaking about cloud computing because it impacts particular person shoppers—these of us who sit again at dwelling or in small-to-medium workplaces and use the Web regularly. There may be a completely completely different "cloud" in relation to enterprise. Some companies select to implement Software program-as-a-Service (SaaS), the place the enterprise subscribes to an software it accesses over the Web. (Suppose Salesforce.com.) There's additionally Platform-as-a-Service (PaaS), the place a enterprise can create its personal customized purposes to be used by all within the firm. And remember the mighty Infrastructure-as-a-Service (IaaS), the place gamers like Amazon, Microsoft, Google, and Rackspace present a spine that may be "rented out" by different corporations. (For instance, Netflix supplies companies to you as a result of it's a customer of the cloud-services at Amazon.)
After all, cloud computing is large enterprise: The market was already producing $one hundred billion a 12 months in 2012. It may very well be $270 billion by the year 2020.