As far as I know, any data that people post to Facebook without restricted visibility can be pulled through the API. If a user has logged into your site and giv

As far as I know, any data that people post to Facebook without restricted visibility can be pulled through the API. If a user has logged into your site and given you access to their data, you can access restricted data as well. You can also write to Facebook via the API. I'm not sure what you want Facebook to change.