What’s behind Amazon, Microsoft and Google’s aggressive cloud expansions

It wasn’t long ago that the big spectator sport in IaaS cloud computing was to watch a leading provider such as Microsoft or Amazon Web Services announce price cuts and then ready for its rivals to follow suit.
The new game in town plays out in a similar way, except now the vendors are matching or one-upping each other with new data centers and cloud computing regions.
+MORE AT NETWORK WORLD: Winners and losers from the AWS-VMware deal | Mapping the cloud: Where does the public cloud actu