Is this all connected?

So hello first and although I have a question: I went to Pinterest lately and there were So cheerleader exercises displayed but only after I've watched a movie about cheerleader on Netflix or I downloaded wine app down to acquaintances from around the world because I was suddenly on Snapchat tinder ads displayed the same applies to Amazon Instagram, etc. So what do you think?

Are enough services to collect your data, which is cross-platform.