The document discusses cloud computing and big data. It begins by watching introductory videos on these topics. Cloud computing is defined as utilizing computer resources over the internet. Key characteristics include on-demand self-service, network access, resource pooling, rapid elasticity, and measured service. The document discusses how cloud computing represents a new business era for information technology, with platforms as a service (PaaS) being a new application platform. Public clouds offer a pay-as-you-go utility model for IT resources.