In The real value of Cloud Computing, ENKI hits on why cloud computing is disruptive. It's the services stupid !!
By separating enterprises from their servers and offering universal, secured, access to the servers, cloud providers bundle the computing with value-added services. This graduated outsourcing model provids application architecture expertise, highly reliable software deployment, and live site management with greatly reduced cost. The combination of scalable computing and services lowers the technological and cost barriers to entry in the web-facing application market.