Elon Musk, the mercurial billionaire who owns Twitter, is increasingly wielding his enormous political power via his social media network, interfering in politics in America and far beyond. Meanwhile, Mark Zuckerberg, owner of Facebook, has tried to align his business with the new regime in Washington by abolishing fact-checking. Should we be alarmed at where social media is going in the 2020s, with populist right-wing movements leveraging their online influence in very real offline consequences? Can Christians continue to use their platforms, or should we join the progressive exodus to alternative sites? And how can we work out who to trust and where to get our news from in this confusing post-truth, post-legacy media world?