This is a very good article about what happens when you agree to verify your Linkedin account, and probably any kind of big tech age verification process.

All your data including photographs are shared with a company called Persona, which is the invisible middleman nobody heads about. That company then shares your data with at least 17 huge big tech companies, including Anthropic, OpenAi, Groqcloud, AWS, Google Cloud, ResistantAI, MongoDB and others.

Understanding what I actually agreed to took me an entire weekend reading 34 pages of legal documents.

I handed a US company my passport, my face, and the mathematical geometry of my skull. They cross-referenced me against credit agencies and government databases. They’ll use my documents to train their AI. And if the US government comes knocking, they’ll hand it all over — even if it’s stored in Europe, even if I’m European, and possibly without ever telling me.