 The network largely ignored the standard business model of 1950s TV , in which one <unk> sponsored an entire show , enabling it to have complete control over its content . Instead , DuMont sold commercials to many different advertisers , freeing producers of its shows from the veto power held by sole sponsors . This eventually became the standard model for US television . Some commercial time was sold regionally on a co @-@ op basis , while other spots were sold network @-@ wide . 
