This is an intense concept and I think it crosses the line into one’s privacy. From Facebook a potential employer can gain information on marital status, sexual orientation and a host of other questions that would be prohibited in a live interview.
In any case, since we don’t know how this will end-up, as I’ve always said – don’t put anything on the internet that you wouldn’t want to see on the front page of the NY Times….
http://www.informationweek.com/thebrainyard/news/social_networking_consumer/232602936/job-seekers-asked-for-facebook-passwords-debate-roars