The European Union's internal market commissioner Thierry Breton has issued a veiled warning to Elon Musk, after the Tesla boss finalised a deal to buy the social media platform Twitter.
The EU's new digital rulebook will impose significant content moderation obligations on big platforms.
Rosie Birchard brings us up to speed from Brussels.
In: After Elon Musk
Out: RB, Brussels
Duration: 00:45