> > < section data-eq-pts = xsmall: 0, medium: 460, large: 780, full16x9: 1100 data-vr-zone = zone-1-0 data-zone-label = bodyText data-containers = 19 data-zn-id = body-text > Rob Reich, Mehran Sahami and Jeremy M. Weinstein are professors at Stanford University and authors of System Error: Where Big Tech Went Wrong and How We Can Reboot. The opinions expressed in this commentary are their own. Anti-vaccines use the same tactics as cults to attract subscribers on social networks There are even more difficult problems to deal with, such as curbing online disinformation. Advances in moderation of content will require censoring right-wing voices. Congress can start with laws that require outside and independent researchers to be able to access mountains of data on users and the effects ofe algorithmic amplification on exposure to disinformation, hate speech, incitement to violence and other forms of dangerous content. Congress could require audits of the algorithms that decide what content is amplified, and provide for external accountability to determine whether platforms are adhering to their content moderation policies. This was a turning point for Big Tech, not just Facebook. Progress is possible, and it begins with diminishing the power concentrated in the hands of a few leaders who have shown that the inevitable attraction of greater profits will always tip the scales when hard choices have to be made. Yes, events have been disruptive for Facebook. And they should be equally disruptive to other social media companies. But more than anything else, Congress needs to get to work on Big Tech reform.