Pretty Little Liars and 'Harlem Shake' Are the Future

This week's EW cover story is about the power of Pretty Little Liars. It doesn't matter if you don't watch the show (which is actually pretty good and very addictive) — what's important are the numbers, and what they mean. See, compared to some other TV programs, PLL doesn't have huge ratings — not even half as many… » 2/21/13 3:40pm 2/21/13 3:40pm