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