The last time Gartner published their IaaS/PaaS provider rankings Amazon AWS and Microsoft Azure occupied the coveted upper right quadrant. To make it into Gartner’s magic quadrant both Amazon and Microsoft needed to demonstrate the quality of their services as well as completeness of their vision.
According to Amazon’s company profile on Reuters, they participate in a number of business segments. Amazon operates and markets an Android App Store, streaming video and music, mobile advertising, retail analytics, movie production, mobile devices (i.e. Kindle tablets), audiobooks and book publishing.