'Sharknado' cuts up Nielsen ratingsNEW YORK (AP) â€" With "Sharknado" and a tight battle between NBC and CBS, the week's Nielsen ratings illustrated how that traditional measurement is becoming less of a clear picture of how people are consuming television.
Source: 'Sharknado' cuts up Nielsen ratings (http://news.yahoo.com/sharknado-cuts-nielsen-ratings-220522133.html)