This morning MSFT announced it was ending its Live Book Search program, and will be taking the site down next week. They're also ending their support of key digitization initiatives, including many of the library scanning projects operated by the Internet Archive.
Prelinger Library books that MSFT paid to scan will still be available through the Internet Archive and the Open Library, which also offers full-text search and download of over 300,000 public domain books.
The blogosphere is buzzing on this and I anticipate hearing more today.
Brewster has just posted an announcement, with some good news.