Cost-cutting takes a back seat as cloud-powered business change moves centre stage. : Cloud computing is often promoted as a way of reducing costs and giving companies more flexibility about how they buy computing power. However, vendors are now keen to push its ability to help executives reshape their businesses. "We're early in the cloud -- about ten percent of the workloads have moved to the cloud -- but it's really clear it's a major vehicle for digital transformation," said Google Cloud CEO Diane Greene, speaking at the company's Google Cloud Next event in London.