Not to mention magazines and radio. There were many more than three options. Which raises the related question: how many do we need? For a while our assumption

Not to mention magazines and radio. There were many more than three options. Which raises the related question: how many do we need? For a while our assumption was "the more the better," but as it turns out there seems to be a limited number of good journalists in the world, and making them compete with an infinite number of bad ones has resulted in a race to the bottom.