4. Some say the numbers might be even higher since Nielsen undercounts viewership.
Re: "Breaking Bad" ratings: RT @sarahw: Bet they undercounted. (Bars.) // Yep. Nielsen doesn't count any out-of-home TV viewing.
— brianstelter (@Brian Stelter)
5. Fresh off Emmy wins last week, the cast has a lot to smile about, including generating a torrent of Twitter mentions — 1.24 million tweets during the Eastern and Pacific Time Zone telecasts, according to TV Line.