DoubleVerify report shows disinformation and hate speech spiked in 2020.
Disinformation Shield aims to uncover illicit actors on the fringes of the dark web and combat disinformation.
The COVID-19 crisis is galvanising Facebook's anti-fake news measures, and exposing shortcomings in its system.
"Our mission to build a more informed world is inherently tied to the reporting of journalists and news organisations."
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