Rumor: Apple's iCloud to be powered by Microsoft, Amazon servers
Apple's upcoming iCloud service is rumored to rely on both Microsoft's Azure and Amazon's AWS for hosting, as the company has played to its strength of building a consumer-facing experience rather than becoming a cloud provider.
http://feeds.appleinsider.com/click.phdo?i=34ef835d0671a8744411afbbc9380b6c
