If you count web-based applications and online platforms, (the Cloud) is already huge and will become huger. Forrester predicts that it will grow to nearly $56 billion by 2020. But raw computing services, the core of the cloud, is much smaller—and will not get much bigger. Forrester, reckons it will be worth $4 billion in 2020 (although this has much to do with the fact that even in the cloud, the cost of computer hardware will continue to drop, points out Stefan Ried of Forrester).
Read more at The Economist
