Problem
Broadcast television and broadcast radio send out signals that can be received by an infinite number of receivers without reducing the quality of the reception of other consumers of the signal and it is not possible to charge any of the consumers of the signal.
What are the "recent" alternatives to traditional commercial television and commercial radio?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.