ad spend was the least of it, of course.
https://www.fbi.gov/wanted/cyber/russian-interference-in-201... https://www.npr.org/2020/08/18/903616315/senate-releases-fin... https://www.washingtonpost.com/politics/2023/05/17/truth-abo...
also, interesting how you minimize via 'a few million'.
https://www.technologyreview.com/2021/09/16/1035851/facebook...