The Library of Congress has a new photostream at Flickr to highlight some of the newspaper supplements in their Chronicling America collection. Chronicling America has digital images of newspaper pages from eleven states plus the District of Columbia for the years 1880-1910. They also have a directory which includes newspapers published from 1690 to the present.
Nicole Engard found a Today Show video about the importance of libraries in these tough economic times.
Europeana is in beta. There are 4 million items in the collection. It contains images, sounds, text, and video. A search for "genealogy" does return hits. Check it out.
I've been adding to this post all day so it's time to post it!