I feel like this is going to be an increasingly hard question to answer as more and more cloud providers with interchangeable services become available. It's l

I feel like this is going to be an increasingly hard question to answer as more and more cloud providers with interchangeable services become available. It's like buying a car. You will run into someone that has used 2 or 3 different providers of the same service, but some one with hands on experience with them all, unlikely.