Copyright Term and the Public Domain in the United States - 2010 Update - An interview with Peter Hirtle

"Peter Hirtle has issued his 2010 update to his invaluable Copyright Term and the Public Domain in the United States chart....I've added the list of countries that have joined Berne or WTO after 1 January 1996. I've also tweaked the language of the Laos exceptions, though I am still unsure about this and welcome readers' comments....The other changes are minor. I changed the title of the US section to include registered works as well a published, but this still isn't quite right (since a foreign work could have been registered, entered the public domain through non-renewal, and then had its copyright restored in 1996)....Finally, we have changed the Creative Commons license on the chart from BY-NC to simply BY. I hope that this makes it more useful...."