Media gratifies various needs of the public. It satisfies cognitive needs by providing information to satisfy curiosity. It meets affective needs by eliciting emotions through entertainment. Media fulfills personal integrative needs by helping people reinforce their identity and status. It addresses social integrative needs by enabling social interaction online. Finally, media relieves tension needs by providing an escape from stress through relaxing activities. A uses and gratification theory from the 1940s explored why and how people use media to satisfy various needs.