A digital television in accordance with the present invention includes: a state sensing section and a state information update section. The state sensing section senses the process execution state of a process target content in a process executed in accordance with user manipulation. The state information update section updates, in accordance with a sensed process execution state, content state information based on which processing of at least one of the process target content and related content relevant to the process target content is controlled. Therefore, the television does not require the user to perform complex manipulation, but is still capable of controlling content processing.