The three internet and online social media giants are expected to appear on November 1 in an open hearing.
Apparently, they knew about the vulnerability and chose not to act.
Apparently algorithms can't be trained to filter hate.
This is just the tip of the iceberg, I'm sure.
The same social media networks that spread Russian propaganda during the 2016 election have been busily amplifying right-wing extremism.
They bragged about how great their data systems are, and then some doofus put it all in the cloud for anyone to see.