One of the main reasons is to get better cost management and that usually leads to cost reductions. Running on an op-ex model eliminates any large cap-ex outlays and while those outlays are usually planned at 3 or 5-year refresh cycles, the nature of the industry can mean they are unpredictable. The natural elasticity of the cloud enables you to grow and shrink your consumption based on business, project and customer demand and avoids the risk of making a large investment in an undersized or oversized solution that you’re then stuck with.