Abstract: This paper is highlighting the trend of use of cloud computing. Cloud Computing gives range of computing resources like servers and storage of emails, documents, voice, etc. over the internet. It provides hosting environment which is instant, secure, scalable, flexible, and helps to save money, time and resources. Because of metaphor for the internet it’s called cloud computing where internet is cloud. In simplest words, cloud computing means keeping and retrieving data and programs over the Internet instead of our secondary memory of computer.This paper describing about the use of Cloud Computing in Organization, Advantage of Cloud Computing, Problems with Cloud Computing, Stack of Cloud Computing, Leaders of Cloud Computing and Future Forecast.