Orphan Works: Use allowed?

http://onlinebooks.library.upenn.edu/webbin/bparchive?year=2006&post=2006-02-01,7 After conducting hearings on ths issue of "orphan works" (copyrighted works that are lost to further use because their copyright holders can no longer be traced), the Copyright Office has just issued a report on the hearings, and their recommendations. It's at http://www.copyright.gov/orphan I've only had time to read the executive summary and skim through some of the rest, but the gist seems to be that they r..