Q
Google?
They know everything.
They know more about you than the CIA, NSA, CGHQ, and all of the other spy agencies around the world combined
You think you can just turn off google analytics and limit the javascript that runs on your PC? Guess again. There are ways around that. And note: Almost every website you visit runs Google Analytics.
Google's security is at a minimum what the US Government should be using. Had they done this... it would have been much harder for the Chinese to hack their servers (OPM) and had the DNC used it... they too would haven't been hacked from the outside.
Now you know what they (Google) do with all of that money they collect from ad revenue.