I'm wondering about the "now". Didn't the very initial release of Chrome, many years ago, already create a unique, identifiable ID per user, and open a connect

I'm wondering about the "now". Didn't the very initial release of Chrome, many years ago, already create a unique, identifiable ID per user, and open a connection to phone home to Google servers (using that unique ID) on every single key-press and mouse click done anywhere in the browser?