> 2. Google's Alleged Collection of Plaintiffs’ Data
> Plaintiffs allege that Google collects data from them while they are in private browsing mode "through means that include Google Analytics, Google ‘fingerprinting’ techniques, concurrent Google applications and processes on a consumer's device, and Google's Ad Manager." Id. ¶ 8. According to Plaintiffs, "[m]ore than 70% of all online publishers (websites) use one or more of these Google services."
> Specifically, Plaintiffs allege that, whenever a user, including a user in private browsing mode, visits a website that is running Google Analytics or Google Ad Manager, "Google's software scripts on the website surreptitiously direct the user's browser to send a secret, separate message to Google's servers in California." Id. ¶ 63. This message includes six elements, each of which is discussed below.
[...followed by a lot of detail on what gets tracked...]
https://casetext.com/case/brown-v-google-llc
So there is client-side telemetry which completely de-anonymizes and geolocates you and Google tracks you in incognito mode everywhere that Google Analytics is deployed (~70% of the web). If you use incognito mode and visit porn sites that use Google Analytics, then Google has your complete de-anonymized porn surfing history in their databases. This is not what people are led to believe is happening by the incognito warning message.