Europe is on a mission for digital sovereignty—spearheaded by EuroStack, a new volunteer-led initiative calling for radical action to support the continent’s economic independence by stepping away from reliance on US relations and US technology. While EuroStack was first formed six months ago, its relevance to the media and entertainment (M&E) sector wasn’t immediately clear. Early signals pointed to an AI arms race with the US and China, focused more on data centers and chips than on content and connectivity. Initially, the project looked like a political counterweight to US Big Tech—better known for imposing fines than building digital infrastructure. But the arrival of a little company called MainStreaming may shift that narrative. Billed as an Edge Video Delivery Network,…