PC World - It wouldn't be a mischaracterization to equate the cloud computing industry to the wild, wild west.

There is such a variety of vendors gunning at one another and the industry is young enough that true winners and losers have not yet been determined. Amazon has established itself as the early market leader, but big-name legacy IT companies are competing hard, especially on the enterprise side, and a budding crop of startups are looking to stake their claims, too. (Amazon, Google, Microsoft, Rackspace, Services)