Overview: In a recent US Senate hearing, tech giant Facebook came under scrutiny when a whistleblower revealed that the firm prioritized growth and profits over consumer safety. It was further implied that Facebook influenced the rise of hate speech, misinformation and even violence. As social media companies continue to be key institutions in the 21st century digital public sphere, we need to pay attention to the dangers they pose. Jack Balkin shares his ideas on how social media might be regulated.