Participations
One of the methods of buying media time by the advertisers. In this situation several advertisers buy commercial time or spots on a particular program. Majority of network advertising time is sold as participations. An advertiser can participate in a certain program once or several times on a regular or irregular basis. Participating advertisers have no financial responsibility for production of the program. The network television or individual station that sells and controls the commercial time, network television assumes this responsibility.