I use multiple ip addresses. I don't fuck with google chrome. Only use mozilla firefox.You don't need to be logged in for them to track and collect data from you.
- IP Address
- Google Cookies
- Google Chrome
- Etcetera
http://royal.pingdom.com/2010/01/08/how-google-collects-data-about-you-and-the-internet/
http://www.usnews.com/opinion/articles/2013/05/10/15-ways-google-monitors-you
http://qz.com/125470/google-can-track-you-without-cookies/