"The jobs crisis has brought an unwelcome discovery for many unemployed Americans: Job openings in their old fields exist. Yet they no longer qualify for them."
http://www.comcast.net/articles/news-general/20101011/US.Tougher.Jobs/
I guess this helps explain why I've read of companies complain that they're hiring, but can't find qualified applicants, yet so many people are still out of work. They're now looking for people who do what several people did before.