Seth Shapiro appears at the SX Bookstore to sign copies of his latest work.

TV is the world’s most influential medium. No product has spread so far and so fast, so affected how the world sees itself. That’s because TV was created by a series of massive disruptions – and what’s happened in media before will all happen again. USC Professor and Emmy Governor Seth Shapiro shares behind-the-scenes lessons from the evolution of TV that tech & media leaders can profit from today.