In Order to Span All of the Media Types Available

In order to span all of the media types available to a company's target audiences,

A) a firm's connector list needs to be diverse.
B) advertising campaigns must use every medium to reach an audience.
C) companies should be prepared to spend much more money than on traditional advertising.
D) firms need to focus primarily on building lists of non-media connectors.
E) marketers have to make personal fact-finding visits to every media outlet.