Until now, you accessed television programs through an antenna, cable or satellite. In future, high-speed internet will provide a fourth, interactive form of transmission. The sinking cost of broad-band television in relation to technological advancement has made it possible to adapt this technology to cater to a mass market. With this, digicast offers the prospect of obtaining the one-to-many relation of broadcasting on a one-to-one personal level. Through back-chanelling on the same line, a TV program effectively becomes a TV service. For instance, we can offer a provider virtual video recording, video on demand, television centered conference calls, or even personalized TV formats such as Ethnic TV.