Sadly so. A little while back (maybe 2013 or 2014?), I recall reading of a conference where one of the Google co-founders touched on that very point - that ther

Sadly so. A little while back (maybe 2013 or 2014?), I recall reading of a conference where one of the Google co-founders touched on that very point - that there were something like 90 factors they record, to help identify you uniquely for tracking. Unfortunately, trying to locate that quote hasn't proven fruitful - if anyone can pinpoint the talk I'm thinking of, I'd be grateful.