NFL viewership has taken a massive dive. Can anything stop the drop?

MetLife stadium with decorations for Super Bowl XLVIII. February 4, 2014. (photo: Anthony Quintano)

In a shift that has left major advertisers stymied, at least temporarily, NFL viewership continues to decline precipitously. Once-coveted advertising spots during primetime games are, even now, being deeply discounted as the NFL scrambles to compensate for the drop.