I would use this, most definitely. Sign me up. I don't think Google or Mozilla would do it. I think an interesting option would be to have a "what you can know

I would use this, most definitely. Sign me up. I don't think Google or Mozilla would do it. I think an interesting option would be to have a "what you can know about me" table in the browser that you could fill out. Location, interests, etc. -Your web experience is customizable, but on your terms.