A look at TV watching as a social activity, from the "water cooler" network shows of yore to today's "second screen" live-tweets.
A hundred years later, we are still learning.
Science fiction isn’t limited to predicting tech developments: It’s more broadly concerned with imagining possible futures, or alternative presents.
White House officials, like parents, are learning how limiting screen time can lead to better focus. But what does "screen time" really mean?