My World, According to Google (Red Herring)

What exactly does Google, Salesforce.com, or another Internet application provider do with my information, my documents, or my browser tracks?

Google is fairly upfront: It will mine my data and serve up ads that reflect my interests. But do I want ads popping up to remind me or anyone who looks over my shoulder of topics that I’d rather not share?

What data does Google provide about me to advertisers, to government, to anyone else?