Have you accidentally clicked on an ad that is served by Doubleclick? Have you EVER gone to YouTube? Do you have a gmail account? You only have to do any of these ONE time and Google has you.


>please tell me where I am kidding myself?
>
>Through which vector do you suspect Google to be snooping provided you use a self-compiled OS version, have not installed any Google apps (perhaps sideloading apps from another device) and do not use Google services?
>
>Except for the WLAN-wardriving for streetview, which - while disturbing - cannot be counted as creating a current profile.