Feeds now dictate what we watch, creating personalized "content bubbles."
Entertainment was scheduled. If you wanted to watch M A S H*, you sat down on Saturday at 9:00 PM. If you missed it, you missed the cultural conversation. This scarcity created a shared national lexicon. The "Who shot J.R.?" cliffhanger on Dallas drew 83 million viewers because there were no other options. Popular media was a watercooler; everyone drank from the same tap.