The president retweeted the post just before midday amid a series of other retweets praising conservative radio personality Mark Levin's argument with Fox News host Ed Henry.
"It's everywhere and it has all the signs of being a coordinated/artificial operation," wrote behavioral scientist Caroline Orr, who first highlighted the surge of duplicate messages about Harris.
Unilever, home to brands including Lynx and Dove, will no longer work with social media stars who buy their followers.
A site tracking 600 Twitter accounts linked to Russian influence operations recorded a 2,800 percent increase in the use of the hashtag #IStandWithLaura on Friday and Saturday.
Some straightforward policy tips for countering Russian disinformation campaigns.
The social network will evaluate the "health" of conversations.
Russian bots have been busy tweeting about Parkland, gun control, Florida and Nikolas Cruz, the alleged shooter.
The hashtag "#ReleaseTheMemo" exploded on Twitter last Thursday.
Fake news tweets and social media posts came from a Russian troll factory that works around the clock like any IT facility——except lies were pumping out.
Britain's foreign secretary will visit Moscow in the coming months to address the country's relationship with Vladimir Putin.
Trump's "bad year" has left the Russian media, which once tore into his opponent, lambasting him for his "total collapse."
Trump retweeted a message of support on Saturday from an account with the handle @Protrump45. It has since been suspended, as have many accounts linked to it.
Unabated toxic discourse and misinformation in online comment sections have distorted the populace's understanding of information and facilitated its en vogue rejection of facts.
Partisan bots could affect voter turnout in some places by overestimating a candidate's support.
The Donald Trump Facebook bot fooled people into thinking it was a real person.
Facebook believes its bots are the best chance to up-end Google and Apple's app-based ecosystems.