“The Cloud” has given us far too many metaphors. And most of us have overused them, peppering our discussions, presentations and blogs – all too often over-reaching for an apt image. At TM Forum Management World, a new one arose. Arguing that “it’s time to make it rain,” Deutsche Bank’s Sean Kelley, global asset management CIO and head of DB’s platform services, asked assembled suppliers and providers to accelerate the “rain” – the results of the Cloud. Keying off the American image of “rainmaker...