WELCOME BACK. THIS IS DIGITAL POLITICS. I'm Mark Scott, and as many of us unpack the impact of Meta's recent decision to roll back its content moderation policies, here's a reminder that Mark Zuckerberg, the company's chief executive, once had an extremely awkward interaction with astronauts. Enjoy.

— Jan 20 marks the start of Donald Trump's second term in the White House. Here are the people you need to know that will shape tech policy over the next four years.

— The 'will they, or won't they' ban on TikTok in the United States is a reminder, to all countries, that you shouldn't mistake national security for digital policymaking.

— In case it wasn't clear, the US dominates the world of 'online platforms.' But countries from Singapore to Turkey are making a play, too.

Let's get started:

digitalpolitics.co/whos-who-on…