To enable data broadcasting service, we should have a system to produce, transmit and receive broadcasting data identical with current broadcasting mechanism, furthermore, install and operate additional, return path (RP:Return Path)system in order to respond to viewer interactive demands. Data broadcasting contents are produced and transmitted by software language and presented on television through the middleware loaded in interactive set top box connected with the television. (compared to PC, middleware is to Window software loaded in PC, the contents is to be like that of Internet)

Interactive data broadcasting services are provided by broadcast provider that constructed data broadcasting transmission system, and viewers use interactive services like VOD, shopping mall, daily-life information, banking, pizza delivery, reservation, purchasing and IT services like VoIP, home-networking as well as television programs.

Today is data broadcast taking a roll as portal television service beyond the step where just additional information of broadcasting programs is provided. We are now at the stage where broadcast, communications, Internet service, and furthermore, VoIP, video telephony and home-networking services are all possible through interactive television. Providers, Market leaders in broadcast, communications and internet has been most sensitive to these paradigm shift, and they knew market unification meant that if Triple play services were not provided, every provider would have difficulty in maintaining and expanding subscribers.

Now, through television portal services, viewers are expected to enjoy diverse interactive services like digital television broadcast, VOD, sing-a-song room, stock exchange, account transfer, weather/traffic information, electric articles, home-shopping, photo album, television mail, game and so on. Korean government is also preparing for example operations of interactive television electric government to enforce diverse services such as law, civil appeal, administrative information report, census for national policy, disaster report especially for middle-aged, old persons and housewives who are not familiar with using internet.

Furthermore, broadcast and IT integration services between television and web, or television and mobile devices also seem possible. Now, Short Message Service(SMS) is being provided as an integration service between television and web devices through satellite broadcast, and in the near future, together with the service between television and mobile, real-time chatting on television service would be realized.

As individual information-gap is reducing and information of family is promoted, television centric new life-style would be created. With two-way interactive broadcast, in which is not one-way but viewers deliver their direct opinions, the television is being born again.