It may be that large-scale public social media can only be deployed ethically if operated as non-profit socialist organizations, otherwise they degenerate into profitable toxic troll farms. Both of the ancestors of modern large-scale public social media (mailing lists and Usenet) were cooperatives. The pre-Facebook blogosphere was semi-cooperative.
Are Bitcoin and similar digital currencies subject to 51% attacks by state actors?
Bitcoin et al are neoliberal by design. Would it be possible to create a digital currency or similar system that would be Keynesian by design?