By Julia Love, Joseph Menn and David Ingram
MEXICO CITY/SAN FRANCISCO (Reuters)
Ahead of Mexico’s presidential election on Sunday, Facebook pages criticizing the leftist frontrunner feature posts with thousands of “likes” and no other reactions or comments, suggesting automation, a report on Thursday from the Atlantic Council said
Many “likes” on the pages attacking Andres Manuel Lopez Obrador, a former Mexico City mayor mounting his third campaign for the presidency, came from Brazil, the Washington-based think tank said. One human “like” came from a user claiming to run a group of social media specialists for hire.
The flurry of social media manipulation as Mexicans prepare to vote highlights how the playbook for information warfare has evolved since the 2016 U.S. presidential election.
Even with plenty of advance warnings, new hiring and partnerships, the social networks are failing to thwart more advanced techniques – boding poorly for attempts to keep deliberate misinformation at bay in coming elections around the world.
Propaganda is reaching Mexican voters through several new avenues. Shared fabrications are more often taking the form of videos, images and memes that multiply faster before detection, researchers say. Pages mix real news with fake to buttress credibility.
“You can’t always talk about aliens if you want people to believe aliens exist,” said former FBI agent Clint Watts, author of a book on social media manipulation.
On both Facebook and Twitter, large, easier-to-spot automated networks are giving way to loosely coordinated, smaller networks, said the Atlantic Council’s Ben Nimmo
And the WhatsApp messaging service owned by Facebook has become a prime channel for spreading falsehoods in closed groups that leave the company and authorities in the dark, researchers say.
“The people who make and build computational propaganda have been and probably always will be one step ahead,” said Samuel Woolley, director of the Digital Intelligence Lab at Institute for the Future.
With Lopez Obrador leading most polls by double digits, the Mexican election is unlikely to turn on social media manipulation, experts say.
But the vote is one of the first big tests since Facebook acknowledged that information from up to 87 million users could have gone to political consultancy Cambridge Analytica, which worked on U.S. President Donald Trump’s campaign.
Facebook has hired more content screeners, funded outside research, and struck deals with fact-checkers from outlets including Agence France-Presse and Verificado, a group backed by Al Jazeera and Mexican publication Animal Politico.
Articles deemed false appear lower in users’ feeds, Facebook says, though it will not provide detail on how effective that is in Mexico. Users are warned before they share the content.
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