Hillary Clinton Hillary Diane Rodham ClintonBiden leads Trump by 36 points nationally among Latinos: poll Democratic super PAC to hit Trump in battleground states over coronavirus deaths Battle lines drawn on precedent in Supreme Court fight MORE late Monday stressed a focus on social media platforms ahead of the midterm elections, saying Americans "owe it to our democracy to get this right, and fast."

"We should all care about how social media platforms play a part in our democratic process. Because unless it’s addressed it will happen again," she tweeted.

"The midterms are in 8 months. We owe it to our democracy to get this right, and fast."

We should all care about how social media platforms play a part in our democratic process. Because unless it’s addressed it will happen again. The midterms are in 8 months. We owe it to our democracy to get this right, and fast. https://t.co/aM3pRrZW4J — Hillary Clinton (@HillaryClinton) February 26, 2018

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Clinton's tweet included a link to a post by another user, tech journalist Kim-Mai Cutler, who suggested that Facebook may have been charging the Clinton campaign more for advertisements than it was charging the Trump campaign.

"I can’t believe this tweet isn’t going viral," Cutler wrote. "Do people not really care that Facebook may have systematically charged the Clinton campaign an order of magnitude or two more than it was charging Trump to reach American voters? (Which is not allowed in other mediums by law.)"

I can’t believe this tweet isn’t going viral. Do people not really care that Facebook may have systematically charged the Clinton campaign an order of magnitude or two more than it was charging Trump to reach American voters? (Which is not allowed in other mediums by law.) https://t.co/S2OgxfgcGq — Kim-Mai Cutler (@kimmaicutler) February 25, 2018

Cutler's tweet came in response to another tweet by Brad Parscale, who served as digital media director for the Trump campaign.

"I bet we were 100x to 200x her. We had [cost per thousands] that were pennies in some cases," Parscale tweeted. "This is why @realDonaldTrump was a perfect candidate for FaceBook."

I bet we were 100x to 200x her. We had CPMs that were pennies in some cases. This is why @realDonaldTrump was a perfect candidate for FaceBook. — Brad Parscale (@parscale) February 24, 2018

Clinton's tweet came days after special counsel Robert Mueller Robert (Bob) MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE unsealed indictments against 13 Russian nationals and three Russian companies for their alleged roles in a plot to disrupt and influence the 2016 presidential election. The indictments outline how a foreign government leveraged American social media platforms to sow chaos and exacerbate divisions in U.S. politics in an effort to undermine Clinton's candidacy and elect President Trump Donald John TrumpBiden leads Trump by 36 points nationally among Latinos: poll Trump dismisses climate change role in fires, says Newsom needs to manage forest better Jimmy Kimmel hits Trump for rallies while hosting Emmy Awards MORE.

Top U.S. intelligence officials warned earlier this month that Russia has already sought to meddle in the 2018 midterm elections, and that propaganda and social media are key to Moscow's strategy.

"We expect Russia to continue using propaganda, social media, false-flag personas, sympathetic spokespeople and other means of influence to try to exacerbate social and political fissures in the United States," Dan Coats Daniel (Dan) Ray CoatsFBI chief says Russia is trying to interfere in election to undermine Biden The Hill's Morning Report - Sponsored by The Air Line Pilots Association - Trump, Biden renew push for Latino support Former Intel chief had 'deep suspicions' that Putin 'had something on Trump': book MORE, the director of National Intelligence, told the Senate Intelligence Committee.

Trump has repeatedly brushed off concerns about Russian meddling in U.S. elections, calling the assessment a "hoax" and deeming Mueller's investigation a "witch hunt."

— Updated at 8:08 a.m.