And this is what we know about. There is so much more going on that is yet undiscovered. I work in I.T. so this sort of revelation is not really a surprise.

I agree EC 

And not long after posting that I get a Norton warning of a high CPU usage by Chrome. Are they watching me?  

Nothing about Google surprises me because of what I've learnt about them and others over time. I travel the web quite extensively because of things I'm interested or involved in and while waiting to get to where I want to be I look on the taskbar and see that among others Google is involved and following me and my interests.