Cloud computing pundit Miha Ahronovitz has published results from his customer survey on Cloud Infrastructure as a Service providers:
As expected, AWS is a clear popularity leader. 80% of the respondents know how to use their site or want to learn how to use it. Google Apps is a second place with 60%, based on the same metric, although there are more people knowing how to use RackSpace (#3 ranking). The biggest surprise is CloudSigma, that ranks #4 as most popular IaaS public provider. Most other companies, excluding Joyent, are traditional hosting and co-location companies evolving as cloud providers
