The fragmentation of popular media and the rise of niche entertainment.
Stop chasing the "mainstream." In today’s entertainment landscape, the mainstream is a myth. Instead of asking, "What is everyone watching?" ask, "What does my specific tribe love?"
For decades, "popular media" meant shared universes. If you were alive in the 90s, you knew who Ross and Rachel were. In the 2010s, you probably had an opinion on who sat on the Iron Throne.