You can stop Google from tracking your computer by going to your Google Account page and turning off several features.

Deleting digital accounts that you rarely or never use not only reduces the amount of clutter in your online life—it keeps you safer too. Every extra account you've got is an extra target for a hacker ...

When browsing the web with Google Chrome, Google marks one account as your default in your web browser. This works similarly to when you've logged into Google services and have one set as the default ...