i want my google data privacy some more

Some useful background material for thinking through this GDP thing:

Google's privacy policy, which is actually pretty robust as these things go. Note there are additional policies that apply further to some of their specific services.

The US government's Safe Harbor principles, which underpin most big companies' privacy policies.

The European Union Data Privacy Directive

Electronic Frontier Foundation's Best Practices for Online Service Providers.

EFF's Six Tips to Protect Your Online Search Privacy.

The Center for Democracy & Technology's Consumer Privacy section.