Earlier quoted context omitted.
> The webmaster has to explicitly permit data sharing with google. Abusive to users . Google's whole reason for offering free analytics is to build better advertising profiles. > Additionally the webmaster can chose to not send IP info to google, I must have missed the memo where Google invented a way to make HTTP connections with no client IP.
This has gone full circle and honestly is quite irritating at this point. People say that Google uses GA data for advertising, I say that this is not the case and then you just chose to ignore that. So I'm just gonna ask directly - can you show some evidence suggesting Google uses GA data for building advertising profiles or did you pull this opinion out of your ass? Because as someone who analyses marketing and adve…
You can choose to believe that, and I can believe that a huge company funded almost entirely by placing highly targeted adverts on third-party websites across the web has a vested interest in data collection.
> THE WEBMASTER CAN CHOSE TO NOT SHARE IT WITH THEM.
Calm your tits. No one is claiming that Google hijacks other people's websites to inject GA tracking codes.
The point is that saying "(webmaster) chose not to share visitor IP addresses" ignores a key point: GA relies on the client loading javascript from a GA domain. That means GA has a client IP for the user-agent (i.e. browser) making the call. That isn't an opinion, its just how IP networking works.
Edit: Because someone else in this thread referenced some very relevant parts of Google's terms/policies:
"We use the information we collect from all of our services to provide, maintain, protect and improve them, to develop new ones, and to protect Google and our users. We also use this information to offer you tailored content – like giving you more relevant search results and ads."
https://www.google.com/intl/en/policies/privacy/
"When you visit a website that uses our advertising products (like AdSense), social products (like the +1 button) or analytics tools (Google Analytics), your web browser automatically sends certain information to Google... When you visit websites or use apps that use Google technologies, we may use the information we receive from those websites and apps..."