nd studios. The shift was not only a response to changing economic conditions but also to concerns about advertiser control, including questions being raised in Congress about the ways advertisers shaped programs and appealed to viewers. The development of the network system for television was structured a holdover from radio:
Television was deliberately created by the radio networks, and so it is hardly surprising that our television system was conceived in terms of a network from the very beginning.
The advertising system followed this pattern as well:
During the entire history of network radio entertainment, and during the first decade of network television, program decisions were largely made, not by the networks themselves, but by advertisers and their agencies.
CBS developed along with the development of the medium,
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