IBM (IBM) last month tacked on an additional role to Erich Clementi, its vice president for strategy. He’s now also general manager, enterprise initiatives, with responsibility for Blue Cloud, IBM’s name for cloud computing.

“Since customers are looking for new economics, this might be a good moment for clouds,” Mr. Clementi, 50 years old, said in an interview. He described his area of operations as “a new way of delivering IT as a service,” that can be cheaper and simpler than adding capacity in a data center.

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