them on the platform. >> yes. facebook has realized that if they change the allege rilt them to be safer, people will spend less time on the site, they'll make less money. >> reporter: hogan says facebook put some safeguards in place leading up to the 2020 election to cut down on misinformation and anger, but then -- >> they turned them back off or changed the settings back to what they were before. >> reporter: facebook pushing back hard. "every day, our teams have to balance protecting the ability of billions of people to express themselves openly with the need to keep our platform a safe and positive place." social media come petive to twitter appearing to striate to capitalize on this, weeking "hello literally everyone." but tonight, twitter reporting slowdowns, too. >> really quite the day. let's get right to terry moran tonight. we know this whistle blower plans to testify tomorrow before