November 01, 2013, 12:53 PM — Here's how you can disable Shared Endorsements ads on Google. This will prevent your photo, name, +1s and other activity from appearing in Google's advertisements.
1. Go to the Shared Endorsements settings page.
2. Uncheck the "Based upon my activity, Google may show my name and profile poto in shared endorsements that appear in ads." checkbox.
3. Click the Save button.
Read more: Ghacks