The document discusses 3 case studies of deploying applications on different cloud platforms using Cloudify, including deploying a Java application on Microsoft Azure with zero code changes, deploying an enterprise application on HP Cloud Services across availability zones for high availability and disaster recovery, and deploying a social casino platform on AWS using a hybrid private/public cloud architecture for scalability and cost effectiveness. It also describes a live demo of deploying the same Spring Travel application on local, Azure, AWS, and Google Cloud with no code changes using Cloudify.