You can also contribute your own version of the Gettysburg Address to, a project by documentarian Ken Burns, who has also been reaching schoolchildren across the U.S. with Google+ Connected Classrooms

Most of us will never stand in the Lincoln Bedroom and see the handwritten draft exhibited there. But now anyone with access to an Internet connection can explore all these artifacts from this defining moment in history—perhaps a bit more accurately than when I gazed at that map.