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Illustration: Rebecca Zisser / Axios

Facebook says nearly all ISIS and Al Qaeda-related terror content is removed through machine learning before anyone flags it, and most copies of that content (83%) are removed within an hour of being uploaded.

Why it matters: In the past, Facebook has been criticized for not moving quickly enough to remove bad content once it has been uploaded or flagged to human reviewers. Critics, for example, cried foul when Facebook took over two hours to remove videos of a Cleveland murderer after the initial video, in which the murderer stated his intentions, was uploaded.

The main way Facebook removes such content is by creating a database of video, images and text that can be machine read and automatically blocking any matches from living on the platform.

The catch: Terror content is not all the same. AI can find matches, but "a system designed to find content from one terrorist group may not work for another because of language and stylistic differences in their propaganda," Facebook says. So the company is focusing its efforts on the terrorist organizations that pose the biggest global threat: ISIS and Al Qaeda. The hope is to "expand the use of automated systems to detect content from regional terrorist organizations too," the company says.

Our thought bubble: A lot of terror content that spreads online these days is domestic. While people are certainly inspired by ISIS and Al Qaeda-related posts, there's still a long way to go to ensure that all terrorist content is removed as thoroughly and as quickly.

Go deeper

Biden administration seeks to allow separated migrant families to reunite in U.S.

Secretary of the Department of Homeland Security Alejandro Mayorkas announced Monday that the Biden administration will explore "lawful pathways" to allow migrant families separated under the Trump administration to reunite in the U.S.

Why it matters: Biden has pledged to reunite the hundreds of families still separated as a result of the Trump administration's "zero tolerance" policy, and signed an executive order last month creating a family separation task force chaired by Mayorkas.

CDC director warns "now is not the time" to lift COVID restrictions

CDC director Rochelle Walensky warned states on Monday that "now is not the time" to lift public health restrictions, as the recent dramatic declines in coronavirus cases and deaths "appear to be stalling."

Why it matters: While the average of 70,000 new infections and 2,000 daily deaths is nowhere near the extremely high levels recorded at the start of 2021, the figures are still a poor baseline to "stop a potential fourth surge" — especially with the threat posed by more contagious new variants, Walensky warned.

Sen. Elizabeth Warren introduces "ultra-millionaire" wealth tax bill

Photo: Greg Nash-Pool/Getty Images

Sen. Elizabeth Warren (D-Mass.) on Monday introduced a bill in the Senate that would impose a new tax on the assets of America's wealthiest individuals.

Why it matters: The plan, which Warren introduced along with Reps. Pramila Jayapal (D-Wash.) and Brendan Boyle (D-Pa.) is similar to a proposal that was the centerpiece of Warren's campaign for the presidency in 2020.