Library of Congress has collected more than 170 million Twitter messages . Library started deal with Google in 2010 to archive tweets . Created in 1800 , the Library of Congress serves as the unofficial library of the United States , as well as being Congress ' official research library . Now the library is looking for ways to make its huge tweet archive public .
Library of Congress has collected more than 170 million Twitter messages . Library started deal with Google in 2010 to archive tweets . Now the library is looking for ways to make its huge tweet archive public .