Cloud Computing is middle-of-road for many technology companies for computing resources. Cloud computing is
classified into three kinds Platform-as-a-Service (PaaS), Software-as-a-Service (SaaS), Infrastructure-as-a-Service (IaaS). Cloud
platforms are pay-as-you-use, on-demand, easy to design, deploy, data storage, backup, and other utilities. In the year 2015
Platform-as-a-Service came into buzz it established its strong roots to provide technical service. This paper gives an overview of
cloud computing and focuses on platform-as-a-Service (PaaS) along with an example of the Force.com platform. The paper also
discusses the architecture, stack implementation, pros, and cons of Force.com.