In the past, everyone watched the same show at the same time. Today, the "monoculture" is splintering into a million tiny niches.
Popular media is no longer defined solely by Hollywood. International content has become a primary WifeCrazy.13.03.13.Cuckold.Creampie.Revenge.XXX...
If you remember the author, publisher (e.g., Routledge, Oxford, or a free online course like MIT OpenCourseWare), or any specific chapter titles, I can help track it down. Alternatively, similar interesting guides include: In the past, everyone watched the same show at the same time