Network TV is in big trouble — according to Nielsen as reported by AdAge, viewership of broadcast TV shows on the big four networks (ABC, CBS, Fox, and NBC) among 18-to-49-year-olds is down 25 percent from last year.

That’s probably because younger viewers are no longer tuning in for TV shows at their appointed times.  According to historical Nielsen data charted here for us by Statista, teens and millennials are spending a lot fewer hours watching “traditional” (non-time-shifted) TV every week than they were just four years ago.

Read the article “Teens and Millennials are Abandoning Network TV” on businessinsider.com.