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

Facebook: Clinton, Trump campaigns spent a combined $81M on ads
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Facebook revealed on Wednesday that the campaigns of Hillary ClintonHillary Diane Rodham ClintonIntel Dem decries White House 'gag order' after Bannon testimony 'Total free-for-all' as Bannon clashes with Intel members Mellman: On Political Authenticity (Part 2) MORE and Donald TrumpDonald John TrumpDems flip Wisconsin state Senate seat Sessions: 'We should be like Canada' in how we take in immigrants GOP rep: 'Sheet metal and garbage' everywhere in Haiti 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 senators eager for Romney to join them Senate GOP wary of ending Russia probes, despite pressure GOP on precipice of major end-of-year tax victory 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.