I remember in careers1.0 having seen the possibility to have section of the resume visible for the employer view (should you choose to unblock it), and not visible in the public view (should you publish it).
It was called a "public cv privacy setting".
In careers2.0, the only display option I can find is in a "experience" entry with a "Prevent this experience from appearing in header" option.
When selected, I still see this entry both in public and private view.
Is the notion of sections visible only for employers while non-visible for the public view still relevant in careers2.0? Is there still a "public cv privacy setting"?
Or is the employer view only there to acknowledged the fact you are willing to let employers to search for your CV (with additional SO-related details in it)?
(In which case, I suppose that the "Prevent this experience from appearing in header" is only there to prevent them to find an entry through Google).