NBC News highlights the TV advertising spending disparity between the Pro-Clinton and Pro-Trump camps.
States colored based on campaign spending

Donald Trump and his allies are spending more and more over airwaves, but that amount is not enough to overcome Hillary Clinton’s 4-to-1 ad-spending advantage, according to data from Advertising Analytics.
In the battleground states, Team Clinton is outspending Team Trump through this week, $160 million to $44 million.

