Did you fall for this?
Russia's interference in the 2016 election proved what many already knew: That tech and the internet can be used in nefarious ways.
"Russia exploited real vulnerabilities that exist across online platforms and we must identify, expose, and defend ourselves against similar covert influence operations in the future," said Rep. Adam Schiff (D-CA) of the House Permanent Select Committee on Intelligence during a recent open committee hearing.
The ads were used to malign Democratic presidential candidate Hillary Clinton, but not all of them explicitly attacked her. Some bolstered the Trump campaign by "sowing discord in the U.S. by inflaming passions on a range of divisive issues," Schiff said.
For instance, this ad read: "We must not sacrifice national security to satisfy the needs of minorities."
This particular ad got 14,000 reactions and was shared more than 4,000 times, whether from real or fake accounts.
House Permanent Select Committee on Intelligence
Elisha Fieldstadt is a staff writer for CBSNews.com and CBS Interactive's audience development team. She was previously a staff writer at NBCNews.com. During her time at NBC News, Fieldstadt contributed to the Peabody Award-winning series "In Plain Sight: Poverty in America" and the Emmy-nominated coverage of the Orlando Pulse nightclub shooting.