More info coming soon. Until then, do the following:
- Go to Google's Ads on the Web and click the opt out link. That takes you to the "Opt out" page.
- Click the Opt out button if you don't want ads based on your personal information
- Also, click the "aboutads.info choices page" link buried in the last paragraph
Note that you'll have to repeat this for each browser and every time you delete cookies in each.