A system of providing a broadcast service and a method of providing thereof

PURPOSE: A broadcast service providing system and a method thereof are provided to supply a broadcast service which includes a real time extendable and changeable response for various requests of viewers about broadcast content. CONSTITUTION: A broadcast service providing system provides broadcast content(S902). The system reads at least one target object from question data(S904). The system reads a subject of the question data. The system collects social media data related to the subject from searched social media(S906). The system analyzes the social media data and additional information included in a broadcast signal. The system configures response data(S907).