FEATURED:

Facebook: Clinton, Trump campaigns spent a combined $81M on ads

Facebook: Clinton, Trump campaigns spent a combined $81M on ads
© Getty

Facebook revealed on Wednesday that the campaigns of Hillary ClintonHillary Diane Rodham ClintonO'Rourke's rise raises hopes for Texas Dems down ballot Gabbard considering 2020 run: report Claiming 'spousal privilege' to stonewall Congress MORE and Donald TrumpDonald John TrumpDemocrats slide in battle for Senate Trump believes Kushner relationship with Saudi crown prince a liability: report Christine Blasey Ford to be honored by Palo Alto City Council MORE spent a combined $81 million on election ads during last year's presidential race.

The news came during a Senate Intelligence Committee hearing focused on Russia's use of social media platforms to try to sway the outcome of the election.

Sen. Roy BluntRoy Dean BluntGOP loads up lame-duck agenda as House control teeters Congress moves to ensure the greater availability of explosives detecting dogs in the US McConnell sets key Kavanaugh vote for Friday MORE (R-Mo.) asked Facebook's general counsel, Colin Stretch, about the campaigns' spending figures to contrast them with the amount spent on political ads by a Russian "troll farm."

Stretch said that the fake Russian accounts had spent about $46,000 on ads in the run-up to the election.

The campaigns' expenditures on Facebook have not been available in public filings because the ad purchases are often made through intermediaries.