Next month sees the launch of Channel 4. an event which could affect fundamentally, the profits, programmes and advertising style of commercial television. But where will the additional advertising revenue come from to pay for Channel 4?
Will independent local radio and specialist magazines lose advertising to the expanded commercial television outlets, and if Channel 4 doesn't attract enough advertisers will It be forced to change Its programme policy?
Susannah Simons talks to people In television and advertising about the impact of Channel 4, and not least the effect it will have on our viewing habits.
Producer SUSAN DENNY