It was calculated that almost 38 million people across the world watched the inauguration of President Obama on a television set in their homes in 2009.
connected with or engaged in the exchange of goods
In the 1940s, commercial television broadcasting—using the television as a medium to tell us things, show us things, and sell us things, had begun to take hold.
a communication system consisting of broadcasting stations
The NBC, CBS, and ABC networks that we know today were building television stations to carry signals into homes in cities such as New York, Los Angeles, Chicago and Philadelphia.