Kamala Harris Outspends Donald Trump by Tens of Millions Online
New York Times
The week of their debate, Kamala Harris outspent Donald Trump by 20 to 1 on Facebook and Instagram. It was just one sign of how uneven their online advertising battle has become.
https://www.nytimes.com/2024/09/20/us/politics/kamala-harris-trump-campaign-spending.html