AWS is the clear leader in cloud, Microsoft, Google, and even Oracle have recently made attempts to cut into Amazon’s market share. Microsoft has done an admirable job of leveraging enterprise connections coupled with some very nice cloud products to emerge has a worthy challenger. Google recently made some leadership changes at the top which observers of the space find intriguing. Finally, Oracle keeps pushing in terms of price to performance ratios. AWS has to keep the pedal to medal in terms of innovation to keep their lead position.