You need to block Google completely. Simply abstaining from Google services and/or using a browser ad blocker will do you no good — like 80%* of apps / the web include their tracking assets (among many others).
* Just a number I pulled out of my ass, don’t sue me
I think your number is probably too low. As a test, use noscript to block all the google assets and see how many sites you can still use. Not many.
I’ve been blocking Google domains completely (except for OCSP) for almost a year (using DNS). I’m sure some domains use Google Cloud and slip past the DNS blocks, but usually the only things that break are captchas and some shitty old websites that pull jQuery from a Google domain (why would anyone do that?).
“It breaks all of the internet” is a little dramatic, maybe if you block their OCSP domains that’s true.
I do agree though that 80% is low, even if only counting the traditional tracking script that’s been used everywhere for ages.
